\ BIP! Finder for COVID-19 - Impact-based ranking

BIP! Finder for COVID-19

This version of BIP! Finder aims to ease the exploration of COVID-19-related literature by enabling ranking articles based on various impact metrics.

Last Update: 18 - 01 - 2023 (628506 entries)

Provided impact measures:
Popularity: Citation-based measure reflecting the current impact.
Influence: Citation-based measure reflecting the total impact.
Reader Attention: The current number of Mendeley readers.
Social Media Attention: The number of recent tweets related to this article.
*More details on these impact measures can be found here.
Score interpretations:
Exceptional score (in top 0.01%).
Substantial score (in top 1%).
Average score (in bottom 99%).
Score not available.
Main data sources:
CORD-19 dataset(1) (list of papers)
LitCovid hub(2) (list of papers)
PMC & PubMed (citations)
Mendeley (number of readers)
COVID-19-TweetIDs(3) (tweets)

Use:  Impact  Relevance & Impact
TitleVenueYearImpactSource
8151Nanotechnology and pulmonary delivery to overcome resistance in infectious diseases  

Used since ancient times especially for the local treatment of pulmonary diseases, lungs and airways are a versatile target route for the administration of both local and systemic drugs. Despite the existence of different platforms and devices for the pulmonary administration of drugs, only a few formulations are marketed, partly due to physiological and technological limitations. Respiratory infections represent a significant burden to health systems worldwide mainly due to intrahospital infections that more easily affect immune-compromised patients. Moreover, tuberculosis (TB) is an endemic infectious disease in many developing nations and it has resurged in the developed world associated with the human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS) epidemic. Currently, medicine faces the specter of antibiotic resistance. Besides the development of new anti-infectious drugs, the development of innovative and more efficient delivery systems for drugs that went off patent appears as a promising strategy pursued by the pharmaceutical industry to improve the therapeutic outcomes and to prolong the utilities of their intellectual property portfolio. In this context, nanotechnology-based drug delivery systems (nano-DDS) emerged as a promising approach to circumvent the limitations of conventional formulations and to treat drug resistance, opening the hypothesis for new developments in this area.

Adv Drug Deliv Rev2013       CORD-19
8152A multicenter study on epidemiological and clinical characteristics of 125 newborns born to women infected with COVID-19 by Turkish Neonatal Society  

Limited data are available on pregnant women with COVID-19 and their neonates. We aimed to evaluate the epidemiological and clinical characteristics of newborns born to women infected with COVID-19. A multicenter cohort study was conducted among newborns born to mothers with COVID-19 in 34 neonatal intensive care units (NICUs) in Turkey. Pregnant women (n = 125) who had a positive RT-PCR test and their newborns were enrolled. Cesarean section, prematurity, and low-birthweight infant rates were 71.2%, 26.4%, and 12.8%, respectively. Eight of 125 mothers (6.4%) were admitted to an intensive care unit for mechanical ventilation, among whom six died (4.8%). Majority of the newborns (86.4%) were followed in isolation rooms in the NICU. Four of 120 newborns (3.3%) had a positive RT-PCR test result. Although samples taken on the first day were negative, one neonate became positive on the second day and the other two on the fifth day. Sample from deep tracheal aspirate was positive on the first day in an intubated case. Conclusion: COVID-19 in pregnant women has important impacts on perinatal and neonatal outcomes. Maternal mortality, higher rates of preterm birth and cesarean section, suspected risk of vertical transmission, and low rate of breastfeeding show that family support should be a part of the care in the NICU. Trial registration: ClinicalTrials.gov identifier: NCT04401540

Eur J Pediatr2020       LitCov and CORD-19
8153A comparison study of SARS-CoV-2 IgG antibody between male and female COVID-19 patients: A possible reason underlying different outcome between sex  

The emergence of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) in China at the end of 2019 has spread throughout the world and caused many thousands of deaths. The previous study reported a higher severe status rate and mortality rate in male patients in China. However, the reason underlying this difference has not been reported. The convalescent plasma containing a high level of SARS‐CoV‐2 immunoglobulin G (IgG) antibody has been used in clinical therapy and achieved good effects in China. In this study, to compare the differences of the SARS‐CoV‐2 IgG antibody between male and female patients, a total number of 331 patients confirmed SARS‐CoV‐2 infection were enrolled. The serum of these patients was collected during hospitalization and detected for the SARS‐CoV‐2 IgG antibody. Our data showed that the concentration of IgG antibody in mild, general, and recovering patients showed no difference between male and female patients. In severe status, compared with male patients, there were more female patients having a relatively high concentration of serum SARS‐CoV‐2 IgG antibody. In addition, the generation of IgG antibody in female patients was stronger than male patients in disease early phase. Our study identified a discrepancy in the SARS‐CoV‐2 IgG antibody level in male and female patients, which may be a potential cause leading to a different outcome of Coronavirus Disease 2019 between sex.

J Med Virol2020       LitCov and CORD-19
8154Chinese expert consensus on diagnosis and treatment of coagulation dysfunction in COVID-19  

Since December 2019, a novel type of coronavirus disease (COVID-19) in Wuhan led to an outbreak throughout China and the rest of the world. To date, there have been more than 1,260,000 COVID-19 patients, with a mortality rate of approximately 5.44%. Studies have shown that coagulation dysfunction is a major cause of death in patients with severe COVID-19. Therefore, the People’s Liberation Army Professional Committee of Critical Care Medicine and Chinese Society on Thrombosis and Hemostasis grouped experts from the frontline of the Wuhan epidemic to come together and develop an expert consensus on diagnosis and treatment of coagulation dysfunction associated with a severe COVID-19 infection. This consensus includes an overview of COVID-19-related coagulation dysfunction, tests for coagulation, anticoagulation therapy, replacement therapy, supportive therapy and prevention. The consensus produced 18 recommendations which are being used to guide clinical work.

Mil Med Res2020       LitCov and CORD-19
8155COVID-19 in posttransplant patients-report of 2 cases  

N/A

Am J Transplant2020       LitCov and CORD-19
8156High-Flow, Noninvasive Ventilation and Awake (Nonintubation) Proning in Patients With COVID-19 With Respiratory Failure  

Abstract The Covid 19 pandemic will be remembered for the rapidity with which it spread, the morbidity and mortality associated with it and the paucity of evidence-based management guidelines. One of the major concerns of hospitals was to limit spread of infection to health care workers. Since the virus is spread mainly by respiratory droplets and aerosolized particles, procedures which may potentially disperse viral particles, the so called “aerosol-generating procedures” or AGPs were avoided whenever possible. Included in this category were non-invasive ventilation (NIV), high flow nasal cannula (HFNC) and awake (non-intubated) proning. Accordingly, at many health care facilities, patients who had increasing oxygen requirements were emergently intubated and mechanically ventilated to avoid exposure to AGPs. With experience, clinicians realized that mortality of invasively ventilated patients was high and it was not easy to extubate many of these patients. This raised the concern that HFNC and NIV were being underutilized to avoid intubation and to facilitate extubation. In this article, we attempt to separate fact from fiction and perception from reality pertaining to the aerosol dispersion with NIV, HFNC and AP. We describe precautions that hospitals and health care providers must take to mitigate risks with these devices. Finally, we take a practical approach in describing how we use the three techniques, including the common indications, contraindications and practical aspects of application.

Chest2020       LitCov and CORD-19
8157Evidence for cannabis and cannabinoids for epilepsy: a systematic review of controlled and observational evidence  

N/A

J Neurol Neurosurg Psychiatry2018       CORD-19
8158Nursing and the novel coronavirus: Risks and responsibilities in a global outbreak  

In December of 2019, reports emerged of pneumonia clusters of unknown cause at health facilities in Wuhan, China. These cases were linked to a wet animal wholesale market in the region and, after extensive epidemiologic investigation, led to identification of a novel coronavirus (COVID-19). COVID-19 is among a family of viruses-called coronaviruses-that can affect both humans and animals (Zhu et al., 2020).

J Adv Nurs2020       LitCov and CORD-19
8159Psychological Resilience of Healthcare Professionals During COVID-19 Pandemic  

The COVID-19 pandemic as a public health issue has spread to the rest of the world. Although the wellbeing and emotional resilience of healthcare professionals are key components of continuing healthcare services during the COVID-19 pandemic, healthcare professionals have been observed in this period to experience serious psychological problems and to be at risk in terms of mental health. Therefore, this study aims to probe psychological resilience of healthcare workers. The findings of this study showed that in order to raise psychological resilience of healthcare professionals working during the COVID-19 pandemic their quality of sleep, positive emotions and life satisfaction need to be enhanced. Psychological resilience levels of healthcare workers in their later years were found to be higher. Doctors constitute the group with the lowest levels of psychological resilience among healthcare workers. The current study is considered to have contributed to the literature in this regard. Primary needs such as sleep which are determinants of quality of life, life satisfaction and psychological resilience should be met.

Psychol Rep2020       LitCov and CORD-19
8160COVID-19 coronavirus research has overall low methodological quality thus far: case in point for chloroquine/hydroxychloroquine  

What is new? KEY FINDINGS: Clinical decision-makers must be informed by the best, most trustworthy, highest-quality, robust evidence. This translates into how much confidence we can have in the research findings and thus be optimally informed for decision-making. The estimates of effect in clinical research depends on the underlying research methodology. COVID-19 disease is presenting global health systems, clinicians, and patients grave challenges. No treatment or prophylaxis currently exists for COVID-19. The overall body of COVID-19 research is very flawed methodologically. An examination of hydroxychloroquine-azithromycin research findings due to the recent media focus revealed very low-quality methodology underpins the research. Vast amounts of time and resources are being allocated to COVID-19 research, and being potentially squandered. WHAT THIS ADDS TO WHAT WAS KNOWN: Flawed methodology and sub-optimal reporting of research findings could lead to biased estimates of effect. This could lead to treatment decisions that are not optimal based on biased estimates which could harm the patient. This article provides specific suggestions for improving on the COVID-19 methods and reporting with a focus on the issues that researchers must consider in their methodology and reporting if we are to have confidence in the estimates of effect. Failure to consider harms in research could be detrimental to the patient. This article focuses on the potential harms when therapeutic agents such as hydroxychloroquine, are being considered. WHAT IS THE IMPLICATION AND WHAT SHOULD CHANGE NOW: Research thus far on finding an optimal therapeutic agent (s) for COVID-19 could be hampered by methodologically flawed research. COVID-19 researchers must immediately and acutely focus on improving their methodology and reporting.

J Clin Epidemiol2020       LitCov and CORD-19
8161Managing New-Onset Type 1 Diabetes During the COVID-19 Pandemic: Challenges and Opportunities  

N/A

Diabetes Technol Ther2020       LitCov and CORD-19
8162Review of Big Data Analytics, Artificial Intelligence and Nature-Inspired Computing Models towards Accurate Detection of COVID-19 Pandemic Cases and Contact Tracing  

The emergence of the 2019 novel coronavirus (COVID-19) which was declared a pandemic has spread to 210 countries worldwide. It has had a significant impact on health systems and economic, educational and social facets of contemporary society. As the rate of transmission increases, various collaborative approaches among stakeholders to develop innovative means of screening, detecting and diagnosing COVID-19’s cases among human beings at a commensurate rate have evolved. Further, the utility of computing models associated with the fourth industrial revolution technologies in achieving the desired feat has been highlighted. However, there is a gap in terms of the accuracy of detection and prediction of COVID-19 cases and tracing contacts of infected persons. This paper presents a review of computing models that can be adopted to enhance the performance of detecting and predicting the COVID-19 pandemic cases. We focus on big data, artificial intelligence (AI) and nature-inspired computing (NIC) models that can be adopted in the current pandemic. The review suggested that artificial intelligence models have been used for the case detection of COVID-19. Similarly, big data platforms have also been applied for tracing contacts. However, the nature-inspired computing (NIC) models that have demonstrated good performance in feature selection of medical issues are yet to be explored for case detection and tracing of contacts in the current COVID-19 pandemic. This study holds salient implications for practitioners and researchers alike as it elucidates the potentials of NIC in the accurate detection of pandemic cases and optimized contact tracing.

Int J Environ Res Public Healt2020       LitCov and CORD-19
8163Telehealth in Urology: A Systematic Review of the Literature. How Much Can Telemedicine Be Useful During and After the COVID-19 Pandemic?  

Abstract Context Coronavirus disease 2019 (COVID-19) pandemic has caused increased interest in the application of telehealth to provide care without exposing patients and physicians to the risk of contagion. The urological literature on the topic is sparse. Objective To perform a systematic review of the literature and evaluate all the available studies on urological applications of telehealth. Evidence acquisition After registration on PROSPERO, we searched PubMed and Scopus databases to collect any kind of studies evaluating any telehealth interventions in any urological conditions. The National Toxicology Program/Office of Health Assessment and Translation Risk of Bias Rating Tool for Human and Animal Studies was used to estimate the risk of bias. A narrative synthesis was performed. Evidence synthesis We identified 45 studies (11 concerning prostate cancer [PCa], three hematuria management, six urinary stones, 14 urinary incontinence [UI], five urinary tract infections [UTIs], and six other conditions), including 12 randomized controlled trials. The available literature indicates that telemedicine has been implemented successfully in several common clinical scenarios, including the decision-making process following a diagnosis of nonmetastatic PCa, follow-up care of patients with localized PCa after curative treatments, initial diagnosis of hematuria, management diagnosis and follow-up care of uncomplicated urinary stones and uncomplicated UTIs, and initial evaluation, behavioral therapies, and pelvic floor muscle training in UI patients, as well as follow-up care after surgical treatments of stress urinary incontinence or pelvic organ prolapse. The methodological quality of most of the reports was good. Conclusions Telehealth has been implemented successfully in selected patients with PCa, UI, pelvic organ prolapse, uncomplicated urinary stones, and UTIs. Many urological conditions are suitable for telehealth, but more studies are needed on other highly prevalent urological malignant and benign conditions. Likely, the COVID-19 pandemic will give a significant boost to the use of telemedicine. More robust data on long-term efficacy, safety, and health economics are necessary. Patient summary The diffusion of coronavirus disease 2019 (COVID-19) infections has recently increased the interest in telehealth, which is the adoption of telecommunication to deliver any health care activity. The available literature indicates that telemedicine has been adopted successfully in selected patients with several common clinical urological conditions, including prostate cancer, uncomplicated urinary stones, uncomplicated urinary infections, urinary incontinence, or pelvic organ prolapse. Likely, the COVID-19 pandemic will give a significant boost to the use of telemedicine, but more robust data on long-term efficacy, safety, and costs are necessary.

Eur Urol2020       LitCov and CORD-19
8164Infections and airway inflammation in chronic obstructive pulmonary disease severe exacerbations  

N/A

Am J Respir Crit Care Med2006       CORD-19
8165Singapore COVID-19 Pandemic Response as a Successful Model Framework for Low-Resource Healthcare Settings in Africa?  

N/A

OMICS2020       LitCov and CORD-19
8166COVID-19 pandemic cybersecurity issues  

This paper studies the cybersecurity issues that have occurred during the coronavirus (COVID‐19) pandemic. During the pandemic, cyber criminals and Advanced Persistent Threat (APT) groups have taken advantage of targeting vulnerable people and systems. This paper emphasizes that there is a correlation between the pandemic and the increase in cyber‐attacks targeting sectors that are vulnerable. In addition, the growth in anxiety and fear due to the pandemic is increasing the success rate of cyber‐attacks. We also highlight that healthcare organizations are one of the main victims of cyber‐attacks during the pandemic. The pandemic has also raised the issue of cybersecurity in relation to the new normal of expecting staff to work from home (WFH), the possibility of state‐sponsored attacks, and increases in phishing and ransomware. We have also provided various practical approaches to reduce the risks of cyber‐attacks while WFH including mitigation of security risks related to healthcare. It is crucial that healthcare organizations improve protecting their important data and assets by implementing a comprehensive approach to cybersecurity.

N/A2020       CORD-19
8167Correction  

Emerg Microbes Infect2020       CORD-19
8168Multiple Sclerosis: Mechanisms of Disease and Strategies for Myelin and Axonal Repair  

Multiple sclerosis is an inflammatory demyelinating disease of the central nervous system with a variety of presentations and unclear pathogenesis. Multiple sclerosis has been associated with the term autoimmunity as a surrogate for pathogenesis. Multiple sclerosis is an organ-specific disease with immune-mediated myelin destruction. Understanding the complex etiology of multiple sclerosis and the importance of axon integrity is critical for clinicians who treat the disease. This review discusses the immune and autoimmune aspects of multiple sclerosis based on the current published data and novel evidence of strategies that promote remyelination and protect axons.

Neurol Clin2017       CORD-19
8169Gadolinium-Based Contrast Agent Accumulation and Toxicity: An Update  

N/A

AJNR Am J Neuroradiol2016       CORD-19
8170Exploiting plug-and-play synthetic biology for drug discovery and production in microorganisms  

N/A

Nat Rev Microbiol2011       CORD-19
8171Biopsychosocial Aspects of Functional Gastrointestinal Disorders  

N/A

Gastroenterology2016       CORD-19
8172Knowledge management systems in support of disasters management: A two decade review  

Humans are increasingly being challenged with numerous forms of man-made and natural emergency situations. Emergencies cannot be prevented, but they can be better managed. The successful management of emergency situations requires proper planning, guided response, and well-coordinated efforts across the emergency management life cycle. Literature suggests that emergency management efforts benefit from well-integrated knowledge-based emergency management information systems (EMIS). This study presents a systematic review of papers pertaining to the application of knowledge-driven systems in support of emergency management that have been published in the last two decades. Our review presents two major findings. First, only limited work has been done in three EMIS-knowledge management system (KMS) subdomains: (i) definition, (ii) use, and (iii) methods. Second, only limited research has been done in embedding roles in KM systems. We highlight role alignment to the 12 fundamental roles, as called for by Turoff et al. (2004), in the context of creating dynamic systems in aid of emergency management efforts. We believe that these two findings warrant the attention of the research community.

Technol Forecast Soc Change2013       CORD-19
8173On the origin and evolution of SARS-CoV-2  

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for the ongoing global outbreak of a coronavirus disease (herein referred to as COVID-19). Other viruses in the same phylogenetic group have been responsible for previous regional outbreaks, including SARS and MERS. SARS-CoV-2 has a zoonotic origin, similar to the causative viruses of these previous outbreaks. The repetitive introduction of animal viruses into human populations resulting in disease outbreaks suggests that similar future epidemics are inevitable. Therefore, understanding the molecular origin and ongoing evolution of SARS-CoV-2 will provide critical insights for preparing for and preventing future outbreaks. A key feature of SARS-CoV-2 is its propensity for genetic recombination across host species boundaries. Consequently, the genome of SARS-CoV-2 harbors signatures of multiple recombination events, likely encompassing multiple species and broad geographic regions. Other regions of the SARS-CoV-2 genome show the impact of purifying selection. The spike (S) protein of SARS-CoV-2, which enables the virus to enter host cells, exhibits signatures of both purifying selection and ancestral recombination events, leading to an effective S protein capable of infecting human and many other mammalian cells. The global spread and explosive growth of the SARS-CoV-2 population (within human hosts) has contributed additional mutational variability into this genome, increasing opportunities for future recombination.

Exp Mol Med2021       LitCov and CORD-19
8174COVID-19 and its cardiovascular effects: a systematic review of prevalence studies  

N/A

Cochrane Database Syst Rev2021       LitCov and CORD-19
8175Oesophageal cancer  

N/A

Nat Rev Dis Primers2017       CORD-19
8176Composition of human-specific slow codons and slow di-codons in SARS-CoV and 2019-nCoV are lower than other coronaviruses suggesting a faster protein synthesis rate of SARS-CoV and 2019-nCoV  

Translation of a genetic codon without a cognate tRNA gene is affected by both the cognate tRNA availability and the interaction with non-cognate isoacceptor tRNAs. Moreover, two consecutive slow codons (slow di-codons) lead to a much slower translation rate. Calculating the composition of host specific slow codons and slow di-codons in the viral protein coding sequences can predict the order of viral protein synthesis rates between different virus strains. Comparison of human-specific slow codon and slow di-codon compositions in the genomes of 590 coronaviruses infect humans revealed that the protein synthetic rates of 2019 novel coronavirus (2019-nCoV) and severe acute respiratory syndrome-related coronavirus (SARS-CoV) may be much faster than other coronaviruses infect humans. Analysis of host-specific slow codon and di-codon compositions provides links between viral genomic sequences and capability of virus replication in host cells that may be useful for surveillance of the transmission potential of novel viruses.

J Microbiol Immunol Infect2020       LitCov and CORD-19
8177Recombinant protein vaccines produced in insect cells  

The baculovirus-insect cell expression system is a well known tool for the production of complex proteins. The technology is also used for commercial manufacture of various veterinary and human vaccines. This review paper provides an overview of how this technology can be applied to produce a multitude of vaccine candidates. The key advantage of this recombinant protein manufacturing platform is that a universal “plug and play” process may be used for producing a broad range of protein-based prophylactic and therapeutic vaccines for both human and veterinary use while offering the potential for low manufacturing costs. Large scale mammalian cell culture facilities previously established for the manufacturing of monoclonal antibodies that have now become obsolete due to yield improvement could be deployed for the manufacturing of these vaccines. Alternatively, manufacturing capacity could be established in geographic regions that do not have any vaccine production capability. Dependent on health care priorities, different vaccines could be manufactured while maintaining the ability to rapidly convert to producing pandemic influenza vaccine when the need arises.

Vaccine2012       CORD-19
8178Respiratory mechanics in mechanically ventilated patients  

N/A

Respir Care2014       CORD-19
8179Managing neonates with respiratory failure due to SARS-CoV-2  

Lancet Child Adolesc Health2020       LitCov and CORD-19
8180mRNA vaccine: a potential therapeutic strategy  

mRNA vaccines have tremendous potential to fight against cancer and viral diseases due to superiorities in safety, efficacy and industrial production. In recent decades, we have witnessed the development of different kinds of mRNAs by sequence optimization to overcome the disadvantage of excessive mRNA immunogenicity, instability and inefficiency. Based on the immunological study, mRNA vaccines are coupled with immunologic adjuvant and various delivery strategies. Except for sequence optimization, the assistance of mRNA-delivering strategies is another method to stabilize mRNAs and improve their efficacy. The understanding of increasing the antigen reactiveness gains insight into mRNA-induced innate immunity and adaptive immunity without antibody-dependent enhancement activity. Therefore, to address the problem, scientists further exploited carrier-based mRNA vaccines (lipid-based delivery, polymer-based delivery, peptide-based delivery, virus-like replicon particle and cationic nanoemulsion), naked mRNA vaccines and dendritic cells-based mRNA vaccines. The article will discuss the molecular biology of mRNA vaccines and underlying anti-virus and anti-tumor mechanisms, with an introduction of their immunological phenomena, delivery strategies, their importance on Corona Virus Disease 2019 (COVID-19) and related clinical trials against cancer and viral diseases. Finally, we will discuss the challenge of mRNA vaccines against bacterial and parasitic diseases.

Mol Cancer2021       LitCov and CORD-19
8181Long covid: How to define it and how to manage it  

N/A

BMJ2020       LitCov and CORD-19
8182The Behaviour Changes in Response to COVID-19 Pandemic within Malaysia  

The novel coronavirus infection, COVID-19, is a pandemic that currently affects the whole world. During this period, Malaysians displayed a variety of behaviour changes as a response to COVID-19, including panic buying, mass travelling during movement restriction and even absconding from treatment facilities. This article attempts to explore some of these behaviour changes from a behaviourist perspective in order to get a better understanding of the rationale behind the changes.

Malays J Med Sci2020       LitCov and CORD-19
8183Am I Part of the Cure or Am I Part of the Disease? Keeping Coronavirus Out When a Doctor Comes Home  

N/A

N Engl J Med2020       LitCov and CORD-19
8184Climate change: an enduring challenge for vector-borne disease prevention and control  

Climate change is already affecting vector-borne disease transmission and spread, and its impacts are likely to worsen. In the face of ongoing climate change, we must intensify efforts to prevent and control vector-borne diseases.

Nat Immunol2020       CORD-19
8185Simulated Sunlight Rapidly Inactivates SARS-CoV-2 on Surfaces  

Previous studies have demonstrated that SARS-CoV-2 is stable on surfaces for extended periods under indoor conditions. In the present study, simulated sunlight rapidly inactivated SARS-CoV-2 suspended in either simulated saliva or culture media and dried on stainless steel coupons. Ninety percent of infectious virus was inactivated every 6.8 minutes in simulated saliva and every 14.3 minutes in culture media when exposed to simulated sunlight representative of the summer solstice at 40°N latitude at sea level on a clear day. Significant inactivation also occurred, albeit at a slower rate, under lower simulated sunlight levels. The present study provides the first evidence that sunlight may rapidly inactivate SARS-CoV-2 on surfaces, suggesting that persistence, and subsequently exposure risk, may vary significantly between indoor and outdoor environments. Additionally, these data indicate that natural sunlight may be effective as a disinfectant for contaminated nonporous materials.

J Infect Dis2020       LitCov and CORD-19
8186Job loss and mental health during the COVID-19 lockdown: Evidence from South Africa  

OBJECTIVES: Existing literature on how employment loss affects depression has struggled to address potential endogeneity bias caused by reverse causality. The COVID-19 pandemic offers a unique natural experiment because the source of unemployment is very likely to be exogenous to the individual. This study assessed the effect of job loss and job furlough on the mental health of individuals in South Africa during the COVID-19 pandemic. DATA AND METHODS: The data for the study came from the first and second waves of the national survey, the National Income Dynamics-Coronavirus Rapid Mobile Survey (NIDS-CRAM), conducted during May-June and July-August 2020, respectively. The sample for NIDS-CRAM was drawn from an earlier national survey, conducted in 2017, which had collected data on mental health. Questions on depressive symptoms during the lockdown were asked in Wave 2 of NIDS-CRAM, using a 2-question version of the Patient Health Questionnaire (PHQ-2). The PHQ-2 responses (0–6 on the discrete scale) were regrouped into four categories making the ordered logit regression model the most suited for assessing the impact of employment status on depressive symptoms. RESULTS: The study revealed that adults who retained paid employment during the COVID-19 lockdown had significantly lower depression scores than adults who lost employment. The benefits of employment also accumulated over time, underscoring the effect of unemployment duration on mental health. The analysis revealed no mental health benefits to being furloughed (on unpaid leave), but paid leave had a strong and significant positive effect on the mental health of adults. CONCLUSIONS: The economic fallout of the COVID-19 pandemic resulted in unprecedented job losses, which impaired mental wellbeing significantly. Health policy responses to the crisis therefore need to focus on both physical and mental health interventions.

PLoS One2021       LitCov and CORD-19
8187Asymptomatic patients as a source of COVID-19 infections: A systematic review and meta-analysis  

BACKGROUND: Coronavirus Disease 2019 (COVID-19) is characterized by an unpredictable disease course, ranging from asymptomatic to severe, life-threatening infections. Asymptomatic COVID-19 infections have been described, and the aim of this systematic review was to summarise their presentation forms. METHODS: We searched PubMed® and Google® (1 December 2019 to 29 March 2020) and extracted age, laboratory findings, and computed tomography (CT) scans. Pooled incidence rates of clinical characteristics were analyzed using random-effect models. RESULTS: In total, 506 patients from 34 studies (68 single cases and 438 from case-series) with an asymptomatic course were identified. Patients with normal radiology were younger (19.59 ± 17.17 years) than patients with abnormal radiology (39.14 ± 26.70 years) (p-value = 0.013). Despite being asymptomatic, CT investigations revealed abnormalities in 62.2% of the cases; ground-glass opacities were most frequently observed (43.09% by meta-analysis). Most studies reported normal laboratory findings (61.74% by meta-analysis). CONCLUSIONS: More than half of the patients without any symptoms present with CT abnormalities. Asymptomatic patients may be contagious and thus a potential source of transmission of COVID-19.

Int J Infect Dis2020       LitCov and CORD-19
8188Supervised autonomous robotic soft tissue surgery  

N/A

Sci Transl Med2016       CORD-19
8189A Study of Basic Needs and Psychological Wellbeing of Medical Workers in the Fever Clinic of a Tertiary General Hospital in Beijing during the COVID-19 Outbreak  

Psychother Psychosom2020       LitCov and CORD-19
8190Estimating the cost of vaccine development against epidemic infectious diseases: a cost minimisation study  

BACKGROUND: The Coalition for Epidemic Preparedness Innovations was established in 2016, to develop vaccines that can contribute to preparedness for outbreaks of epidemic infectious diseases. Evidence on vaccine development costs for such diseases is scarce. Our goal was to estimate the minimum cost for achieving vaccine research and development preparedness targets in a portfolio of 11 epidemic infectious diseases, accounting for vaccine pipeline constraints and uncertainty in research and development preparedness outcomes. METHODS: We assembled a pipeline of 224 vaccine candidates from preclinical through to phase 2 for 11 priority epidemic infectious diseases. We used a linear regression model to identify drivers of development costs from preclinical through to end of phase 2a. Drawing from published estimates of vaccine research and development probabilities of success, we simulated costs for advancing these 224 vaccine candidates through to the end of phase 2a. We combined these findings to determine minimum costs for progressing at least one vaccine through to the end of phase 2a per epidemic infectious disease by means of a stochastic optimisation model. FINDINGS: The cost of developing a single epidemic infectious disease vaccine from preclinical trials through to end of phase 2a is US$31–68 million (US$14–159 million range), assuming no risk of failure. We found that previous licensure experience and indirect costs are upward drivers of research and development costs. Accounting for probability of success, the average cost of successfully advancing at least one epidemic infectious disease vaccine through to the end of phase 2a can vary from US$84–112 million ($23 million–$295 million range) starting from phase 2 to $319–469 million ($137 million–$1·1 billion range) starting from preclinical. This cost includes the cumulative cost of failed vaccine candidates through the research and development process. Assuming these candidates and funding were made available, progressing at least one vaccine through to the end of phase 2a for each of the 11 epidemic infectious diseases would cost a minimum of $2·8–3·7 billion ($1·2 billion–$8·4 billion range). INTERPRETATION: Our analysis provides new evidence on vaccine research and development pipelines and associated costs for 11 epidemic infectious diseases, highlighting both funding needs and research and development gaps for achieving vaccine research and development preparedness targets. FUNDING: This work was partly supported by the Research Council of Norway through the Global Health and Vaccination Programme GLOBVAC.

Lancet Glob Health2018       CORD-19
8191COVID-19 pandemic and the impact on dental education: discussing current and future perspectives  

N/A

Braz Oral Res2020       LitCov and CORD-19
8192College students' experience of emergency remote teaching due to COVID-19  

This study analyzed South Korean college students' experiences of emergency remote teaching as a result of COVID-19 utilizing thematic analysis, which is a flexible and in-depth qualitative method used to analyze the similarity and association between individually derived theme words and discover meaningful associative relationships. The subjects of the study were college students at D University selected by purposeful sampling technique. A semi-structured questionnaire focusing on students’ satisfaction and dissatisfaction with emergency remote teaching as well as their desired improvement was distributed online, and a total of 393 student responses were collected for analysis. According to the results of the study, the most common environment and method for participating in classes were student homes and personal laptops. Students noted some positive features of emergency remote teaching such as comfortable educational environments, smooth interactions, and efficient time utilization, while network instability, unilateral interactions, and reduced concentration were shown to be causes of students’ complaints. Areas students identified for improvement were closely related to the causes of complaints, such as network stabilization, recorded lecture sharing, and the activation of interactions. The results of this study concluded that college students’ educational environments are important, and the quality of interactions can vary depending on the teachers and technology used. Based on the results of this study, an improved and effective emergency remote teaching system maintaining academic achievement similar to traditional classroom teaching can be designed in preparation for any possible future crisis like COVID 19.

Child Youth Serv Rev2020       LitCov and CORD-19
8193Collaboration and team science: from theory to practice  

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J Investig Med2012       CORD-19
8194Use of high flow nasal cannula in critically ill infants, children and adults: a critical review of the literature  

N/A

Intensive Care Med2013       CORD-19
8195Face touching: A frequent habit that has implications for hand hygiene  

BACKGROUND: There is limited literature on the frequency of face-touching behavior as a potential vector for the self-inoculation and transmission of Staphylococcus aureus and other common respiratory infections. METHODS: A behavioral observation study was undertaken involving medical students at the University of New South Wales. Their face-touching behavior was observed via videotape recording. Using standardized scoring sheets, the frequency of hand-to-face contacts with mucosal or nonmucosal areas was tallied and analyzed. RESULTS: On average, each of the 26 observed students touched their face 23 times per hour. Of all face touches, 44% (1,024/2,346) involved contact with a mucous membrane, whereas 56% (1,322/2,346) of contacts involved nonmucosal areas. Of mucous membrane touches observed, 36% (372) involved the mouth, 31% (318) involved the nose, 27% (273) involved the eyes, and 6% (61) were a combination of these regions. CONCLUSION: Increasing medical students' awareness of their habituated face-touching behavior and improving their understanding of self-inoculation as a route of transmission may help to improve hand hygiene compliance. Hand hygiene programs aiming to improve compliance with before and after patient contact should include a message that mouth and nose touching is a common practice. Hand hygiene is therefore an essential and inexpensive preventive method to break the colonization and transmission cycle associated with self-inoculation.

Am J Infect Control2015       CORD-19
8196COVID-19: Not a Simple Public Health Emergency  

N/A

Prehosp Disaster Med2020       LitCov and CORD-19
8197Modeling the lockdown relaxation protocols of the Philippine government in response to the COVID-19 pandemic: An intuitionistic fuzzy DEMATEL analysis  

The COVID-19 pandemic, which started at Wuhan, has shut down world economies, prompting governments to impose drastic lockdown measures of the economy and the society. As these measures are exhausted, non-COVID-19 related issues such as those associated with the mental and physical well-being of people under lockdowns became an emerging concern. As these issues are evident, not to mention the economic downturn, governments are currently looking at designing lockdown relaxation efforts by simultaneously considering both public health and economic restart. Without documented experiences to rely on, governments are resorting to trial-and-error approach in creating a lockdown exit strategy while preventing succeeding waves of cases that may overwhelm healthcare facilities. Thus, this work pioneers the use of the decision-making trial and evaluation laboratory (DEMATEL) method with intuitionistic fuzzy (IF) sets along with the domain of public health and the emerging COVID-19 pandemic. The DEMATEL handles the intertwined causal relationships among guideline protocols for the relaxation strategy. The intuitionistic fuzzy set theory addresses the vagueness and uncertainty of human judgments in the context of the DEMATEL. A case study of the Philippine government response for the lockdown exit is presented to evaluate the applicability of the proposed method. Findings reveal that compliance of minimum public health standards, limited movement of persons, suspension of physical classes, the prohibition of mass gatherings, non-operation of category IV industries, and non-operation of hotels or similar establishments are the most crucial protocols for such strategy. These findings offer practical insights for the government to allocate resources and impose measures to ensure their implementation, as well as for developing mitigation efforts to cushion their socio-economic impacts. Policy insights and avenues for future works are also discussed.

Socioecon Plann Sci2020       LitCov and CORD-19
8198Clinical validation of a Cas13-based assay for the detection of SARS-CoV-2 RNA  

N/A

Nat Biomed Eng2020       LitCov and CORD-19
8199Obesity and COVID-19: immune and metabolic derangement as a possible link to adverse clinical outcomes  

Recent reports have shown a strong association between obesity and the severity of COVID-19 infection, even in the absence of other comorbidities. After infecting the host cells, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may cause a hyperinflammatory reaction through the excessive release of cytokines, a condition known as “cytokine storm,” while inducing lymphopenia and a disrupted immune response. Obesity is associated with chronic low-grade inflammation and immune dysregulation, but the exact mechanisms through which it exacerbates COVID-19 infection are not fully clarified. The production of increased amounts of cytokines such as TNFα, IL-1, IL-6, and monocyte chemoattractant protein (MCP-1) lead to oxidative stress and defective function of innate and adaptive immunity, whereas the activation of NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome seems to play a crucial role in the pathogenesis of the infection. Endothelial dysfunction and arterial stiffness could favor the recently discovered infection of the endothelium by SARS-CoV-2, whereas alterations in cardiac structure and function and the prothrombotic microenvironment in obesity could provide a link for the increased cardiovascular events in these patients. The successful use of anti-inflammatory agents such as IL-1 and IL-6 blockers in similar hyperinflammatory settings, like that of rheumatoid arthritis, has triggered the discussion of whether such agents could be administrated in selected patients with COVID-19 disease.

Am J Physiol Endocrinol Metab2020       LitCov and CORD-19
8200Imbalance of Regulatory and Cytotoxic SARS-CoV-2-Reactive CD4+ T Cells in COVID-19  

The contribution of CD4+ T cells to protective or pathogenic immune responses to SARS-CoV-2 infection remains unknown. Here, we present single-cell transcriptomic analysis of >100,000 viral antigen-reactive CD4+ T cells from 40 COVID-19 patients. In hospitalized patients compared to non-hospitalized patients, we found increased proportions of cytotoxic follicular helper (TFH) cells and cytotoxic T helper cells (CD4-CTLs) responding to SARS-CoV-2, and reduced proportion of SARS-CoV-2-reactive regulatory T cells (TREG). Importantly, in hospitalized COVID-19 patients, a strong cytotoxic TFH response was observed early in the illness which correlated negatively with antibody levels to SARS-CoV-2 spike protein. Polyfunctional T helper (TH)1 and TH17 cell subsets were underrepresented in the repertoire of SARS-CoV-2-reactive CD4+ T cells compared to influenza-reactive CD4+ T cells. Together, our analyses provide insights into the gene expression patterns of SARS-CoV-2-reactive CD4+ T cells in distinct disease severities.

Cell2020       LitCov and CORD-19

(1) COVID-19 Open Research Dataset (CORD-19). 2020. Version 2022-06-02. Retrieved from https://ai2-semanticscholar-cord-19.s3-us-west-2.amazonaws.com/historical_releases.html. Accessed 2022-06-05. doi:10.5281/zenodo.3715506
(2) Chen Q, Allot A, & Lu Z. (2020) Keep up with the latest coronavirus research, Nature 579:193 and Chen Q, Allot A, Lu Z. LitCovid: an open database of COVID-19 literature. Nucleic Acids Research. 2020. (version 2023-01-10)
(3) Currently tweets of June 23rd to June 29th 2022 have been considered.

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