PLoS ONE

Article	Citations
Mental health problems and social media exposure during COVID-19 outbreak	1449
A simple method to assess and report thematic saturation in qualitative research	826
Students under lockdown: Comparisons of students’ social networks and mental health before and during the COVID-19 crisis in Switzerland	766
Machine learning using intrinsic genomic signatures for rapid classification of novel pathogens: COVID-19 case study	733
Persistent fatigue following SARS-CoV-2 infection is common and independent of severity of initial infection	603
Prevalence, Severity and Mortality associated with COPD and Smoking in patients with COVID-19: A Rapid Systematic Review and Meta-Analysis	551
Public knowledge, attitudes and practices towards COVID-19: A cross-sectional study in Malaysia	527
Loneliness in the UK during the COVID-19 pandemic: Cross-sectional results from the COVID-19 Psychological Wellbeing Study	501
Psychological impacts from COVID-19 among university students: Risk factors across seven states in the United States	454
The prevalence of symptoms in 24,410 adults infected by the novel coronavirus (SARS-CoV-2; COVID-19): A systematic review and meta-analysis of 148 studies from 9 countries	440
Prognostic factors for severity and mortality in patients infected with COVID-19: A systematic review	421
COVID-19 and vaccine hesitancy: A longitudinal study	409
False-negative results of initial RT-PCR assays for COVID-19: A systematic review	403
Influence of COVID-19 confinement on students’ performance in higher education	403
Depression and anxiety among university students during the COVID-19 pandemic in Bangladesh: A web-based cross-sectional survey	399
Post-COVID-19 syndrome among symptomatic COVID-19 patients: A prospective cohort study in a tertiary care center of Bangladesh	373
Impact of the COVID-19 pandemic on medical education: Medical students’ knowledge, attitudes, and practices regarding electronic learning	360
Population risk factors for severe disease and mortality in COVID-19: A global systematic review and meta-analysis	357
The impact of the COVID-19 epidemic on mental health of undergraduate students in New Jersey, cross-sectional study	351
Association of cardiovascular disease and 10 other pre-existing comorbidities with COVID-19 mortality: A systematic review and meta-analysis	341
Clinical characteristics of 82 cases of death from COVID-19	331
Impact of COVID-19 pandemic on mental health: An international study	330
Partisanship, health behavior, and policy attitudes in the early stages of the COVID-19 pandemic	322
Who is wearing a mask? Gender-, age-, and location-related differences during the COVID-19 pandemic	313
Acute mental health responses during the COVID-19 pandemic in Australia	307

Factors contributing to healthcare professional burnout during the COVID-19 pandemic: A rapid turnaround global survey	305
Prevalence and outcomes of co-infection and superinfection with SARS-CoV-2 and other pathogens: A systematic review and meta-analysis	304
Why the COVID-19 pandemic is a traumatic stressor	291
Emotional responses and coping strategies in nurses and nursing students during Covid-19 outbreak: A comparative study	290
COVID-19 vaccine rumors and conspiracy theories: The need for cognitive inoculation against misinformation to improve vaccine adherence	288
Acceptance and attitudes toward COVID-19 vaccines: A cross-sectional study from Jordan	287
Estimating the burden of United States workers exposed to infection or disease: A key factor in containing risk of COVID-19 infection	284
SARS-CoV-2 positivity rates associated with circulating 25-hydroxyvitamin D levels	281
Prevalence of depression, anxiety and post-traumatic stress disorder in health care workers during the COVID-19 pandemic: A systematic review and meta-analysis	278
The impact of COVID-19 pandemic on physical and mental health of Asians: A study of seven middle-income countries in Asia	276
Knowledge, attitude, and practice regarding COVID-19 outbreak in Bangladesh: An online-based cross-sectional study	273
Effects of temperature and humidity on the spread of COVID-19: A systematic review	270
The Covid-19 pandemic and mental health of first-year college students: Examining the effect of Covid-19 stressors using longitudinal data	264
Antibody response to SARS-CoV-2 infection in humans: A systematic review	263
New machine learning method for image-based diagnosis of COVID-19	261
The SARS-CoV-2 receptor ACE2 expression of maternal-fetal interface and fetal organs by single-cell transcriptome study	255
Barriers and facilitators of adherence to social distancing recommendations during COVID-19 among a large international sample of adults	255
An empirical survey of data augmentation for time series classification with neural networks	255
Exposure to COVID-19 patients increases physician trainee stress and burnout	254
COVID-19 vaccine hesitancy and resistance: Correlates in a nationally representative longitudinal survey of the Australian population	251
Factors associated with psychological distress during the coronavirus disease 2019 (COVID-19) pandemic on the predominantly general population: A systematic review and meta-analysis	242
Proportion of asymptomatic infection among COVID-19 positive persons and their transmission potential: A systematic review and meta-analysis	241
Bioaccumulation and biomagnification of microplastics in marine organisms: A review and meta-analysis of current data	226
Sequencing DNA with nanopores: Troubles and biases	223
Clinical and analytical validation of FoundationOne Liquid CDx, a novel 324-Gene cfDNA-based comprehensive genomic profiling assay for cancers of solid tumor origin	222
Psychological distress, anxiety, family violence, suicidality, and wellbeing in New Zealand during the COVID-19 lockdown: A cross-sectional study	221
Persistence of symptoms and quality of life at 35 days after hospitalization for COVID-19 infection	221
An image J plugin for the high throughput image analysis of in vitro scratch wound healing assays	219
Global socio-economic losses and environmental gains from the Coronavirus pandemic	215
Anxiety, depression, stress, fear and social support during COVID-19 pandemic among Jordanian healthcare workers	215
Determinants of burnout and other aspects of psychological well-being in healthcare workers during the Covid-19 pandemic: A multinational cross-sectional study	210
Job loss and mental health during the COVID-19 lockdown: Evidence from South Africa	205
Elderly people and responses to COVID-19 in 27 Countries	199
Is older age associated with COVID-19 mortality in the absence of other risk factors? General population cohort study of 470,034 participants	198
The anti-vaccination infodemic on social media: A behavioral analysis	198
Examination of the ocean as a source for atmospheric microplastics	197
Rapid detection of novel coronavirus/Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) by reverse transcription-loop-mediated isothermal amplification	196
Vitamin D sufficiency, a serum 25-hydroxyvitamin D at least 30 ng/mL reduced risk for adverse clinical outcomes in patients with COVID-19 infection	194
Psychological consequences of COVID-19 home confinement: The ECLB-COVID19 multicenter study	194
A performance comparison of supervised machine learning models for Covid-19 tweets sentiment analysis	190
Rate of Intensive Care Unit admission and outcomes among patients with coronavirus: A systematic review and Meta-analysis	189
The impacts of COVID-19 pandemic on public transit demand in the United States	188
The psychological distress and coping styles in the early stages of the 2019 coronavirus disease (COVID-19) epidemic in the general mainland Chinese population: A web-based survey	187
Mask or no mask for COVID-19: A public health and market study	186
Public discourse and sentiment during the COVID 19 pandemic: Using Latent Dirichlet Allocation for topic modeling on Twitter	183
The experiences, challenges, and acceptance of e-learning as a tool for teaching during the COVID-19 pandemic among university medical staff	181
Prediction model and risk scores of ICU admission and mortality in COVID-19	180
Burden of post-COVID-19 syndrome and implications for healthcare service planning: A population-based cohort study	179
Reliability and validity of the UK Biobank cognitive tests	178
Predictors of in-hospital COVID-19 mortality: A comprehensive systematic review and meta-analysis exploring differences by age, sex and health conditions	178

COVID-19 and mental health deterioration by ethnicity and gender in the UK	177
Global seroprevalence of SARS-CoV-2 antibodies: A systematic review and meta-analysis	176
Initial psychological impact of COVID-19 and its correlates in Indian Community: An online (FEEL-COVID) survey	174
Red seaweed (Asparagopsis taxiformis) supplementation reduces enteric methane by over 80 percent in beef steers	174
Spreading of COVID-19: Density matters	172
Prevalence of underlying diseases in died cases of COVID-19: A systematic review and meta-analysis	172
COVID-19 cognitive deficits after respiratory assistance in the subacute phase: A COVID-rehabilitation unit experience	171
First and second waves of coronavirus disease-19: A comparative study in hospitalized patients in Reus, Spain	170
Maternal and neonatal outcomes associated with COVID-19 infection: A systematic review	170
Association of poor housing conditions with COVID-19 incidence and mortality across US counties	168
Reproductive number of coronavirus: A systematic review and meta-analysis based on global level evidence	168
Mask usage, social distancing, racial, and gender correlates of COVID-19 vaccine intentions among adults in the US	168
Microplastic contamination of drinking water: A systematic review	167
Knowledge, perceptions and preventive practices towards COVID-19 early in the outbreak among Jimma university medical center visitors, Southwest Ethiopia	165
PTSD symptoms among health workers and public service providers during the COVID-19 outbreak	164
COVID-19 is rapidly changing: Examining public perceptions and behaviors in response to this evolving pandemic	163
Twitter reveals human mobility dynamics during the COVID-19 pandemic	162
Willingness to vaccinate against COVID-19 among Bangladeshi adults: Understanding the strategies to optimize vaccination coverage	161
Social support and mental health among health care workers during Coronavirus Disease 2019 outbreak: A moderated mediation model	160
Prevalence and predictors of death and severe disease in patients hospitalized due to COVID-19: A comprehensive systematic review and meta-analysis of 77 studies and 38,000 patients	160
What do we know about SARS-CoV-2 transmission? A systematic review and meta-analysis of the secondary attack rate and associated risk factors	160
Extracellular vesicles from human plasma and serum are carriers of extravesicular cargo—Implications for biomarker discovery	157
Work-related COVID-19 transmission in six Asian countries/areas: A follow-up study	157
The mental health of university students during the COVID-19 pandemic: An online survey in the UK	157
Negative attitudes about facemasks during the COVID-19 pandemic: The dual importance of perceived ineffectiveness and psychological reactance	156
Impact of COVID-19 pandemic on mobility in ten countries and associated perceived risk for all transport modes	156
The importance of urban natural areas and urban ecosystem services during the COVID-19 pandemic	155
Evaluation of health-related quality of life using EQ-5D in China during the COVID-19 pandemic	154
Telemedicine in the OECD: An umbrella review of clinical and cost-effectiveness, patient experience and implementation	154
Face masks reduce emotion-recognition accuracy and perceived closeness	154
Sex differences in susceptibility, severity, and outcomes of coronavirus disease 2019: Cross-sectional analysis from a diverse US metropolitan area	152
Adolescents’ health literacy, health protective measures, and health-related quality of life during the Covid-19 pandemic	152
Relationship quality and mental health during COVID-19 lockdown	151
COVID-SCORE: A global survey to assess public perceptions of government responses to COVID-19 (COVID-SCORE-10)	150
Gender differences in perceived stress and coping among college students	149
Interventions to reduce social isolation and loneliness during COVID-19 physical distancing measures: A rapid systematic review	149
Disentangling primer interactions improves SARS-CoV-2 genome sequencing by multiplex tiling PCR	147
Validation of the Mobile Application Rating Scale (MARS)	147
Application of local fully Convolutional Neural Network combined with YOLO v5 algorithm in small target detection of remote sensing image	147
Serum-IgG responses to SARS-CoV-2 after mild and severe COVID-19 infection and analysis of IgG non-responders	146
Framing COVID-19: How we conceptualize and discuss the pandemic on Twitter	145
Diagnostic and prognostic value of hematological and immunological markers in COVID-19 infection: A meta-analysis of 6320 patients	144
Trust predicts COVID-19 prescribed and discretionary behavioral intentions in 23 countries	144
A cross-national study of factors associated with women’s perinatal mental health and wellbeing during the COVID-19 pandemic	144
Gender differences in unpaid care work and psychological distress in the UK Covid-19 lockdown	141
Does the COVID-19 pandemic impact parents’ and adolescents’ well-being? An EMA-study on daily affect and parenting	140
Business disruptions from social distancing	138
Deep learning-based survival prediction for multiple cancer types using histopathology images	138
Validation of self-reported height and weight in a large, nationwide cohort of U.S. adults	138
Knowledge, attitudes, and fear of COVID-19 during the Rapid Rise Period in Bangladesh	138
Human IgG and IgA responses to COVID-19 mRNA vaccines	138
ACC-deaminase producing plant growth promoting rhizobacteria and biochar mitigate adverse effects of drought stress on maize growth	137
Pneumonia detection in chest X-ray images using an ensemble of deep learning models	136
The incidence, characteristics and outcomes of pregnant women hospitalized with symptomatic and asymptomatic SARS-CoV-2 infection in the UK from March to September 2020: A national cohort study using	136
Retention of patients in opioid substitution treatment: A systematic review	135
Impact of Covid-19 on health-related quality of life of patients: A structured review	134
Time and Covid-19 stress in the lockdown situation: Time free, «Dying» of boredom and sadness	134
An observational study of engineering online education during the COVID-19 pandemic	134
Magnitude of asymptomatic COVID-19 cases throughout the course of infection: A systematic review and meta-analysis	134
Nationwide incidence of sarcomas and connective tissue tumors of intermediate malignancy over four years using an expert pathology review network	134
Excess mortality associated with the COVID-19 pandemic among Californians 18–65 years of age, by occupational sector and occupation: March through November 2020	134
Perceptions of the adult US population regarding the novel coronavirus outbreak	133
Tracking R of COVID-19: A new real-time estimation using the Kalman filter	132
Psychological factors and consumer behavior during the COVID-19 pandemic	131
Disadvantages in preparing and publishing scientific papers caused by the dominance of the English language in science: The case of Colombian researchers in biological sciences	131
COVID-19 ICU and mechanical ventilation patient characteristics and outcomes—A systematic review and meta-analysis	130
College students’ stress and health in the COVID-19 pandemic: The role of academic workload, separation from school, and fears of contagion	130
The citation advantage of linking publications to research data	129
Japanese citizens' behavioral changes and preparedness against COVID-19: An online survey during the early phase of the pandemic	128
Male gender is a predictor of higher mortality in hospitalized adults with COVID-19	127
Diversity and inclusion for the All of Us research program: A scoping review	126
Psychological responses during the COVID-19 outbreak among university students in Bangladesh	125
FeAture Explorer (FAE): A tool for developing and comparing radiomics models	124
Residual clinical damage after COVID-19: A retrospective and prospective observational cohort study	124
Dissecting the economic impact of soybean diseases in the United States over two decades	124
‘Intelligent’ lockdown, intelligent effects? Results from a survey on gender (in)equality in paid work, the division of childcare and household work, and quality of life among parents in the Netherlan	124
COVID-19 symptoms predictive of healthcare workers’ SARS-CoV-2 PCR results	124
Population density and basic reproductive number of COVID-19 across United States counties	123
Cochlear implantation outcomes in adults: A scoping review	123
Non-COVID-19 patients in times of pandemic: Emergency department visits, hospitalizations and cause-specific mortality in Northern Italy	122

Dexamethasone vs methylprednisolone high dose for Covid-19 pneumonia	122
Transmissibility of COVID-19 depends on the viral load around onset in adult and symptomatic patients	122
Association of body mass index with health care expenditures in the United States by age and sex	120
Effect of Covid-19 pandemic on tourist travel risk and management perceptions	120
Ultra-processed food consumption and indicators of obesity in the United Kingdom population (2008-2016)	119
Gender gap in journal submissions and peer review during the first wave of the COVID-19 pandemic. A study on 2329 Elsevier journals	119
COVID-19 mortality risk assessment: An international multi-center study	119
Psychological impacts of “screen time” and “green time” for children and adolescents: A systematic scoping review	119
Factors affecting mental health of health care workers during coronavirus disease outbreaks (SARS, MERS & COVID-19): A rapid systematic review	118
Human-animal relationships and interactions during the Covid-19 lockdown phase in the UK: Investigating links with mental health and loneliness	118
Terminal drought and heat stress alter physiological and biochemical attributes in flag leaf of bread wheat	118
Risk perception of coronavirus disease 2019 (COVID-19) and its related factors among college students in China during quarantine	118
Misophonia: Phenomenology, comorbidity and demographics in a large sample	118
Characteristics and impact of Long Covid: Findings from an online survey	117
To buy or not buy food online: The impact of the COVID-19 epidemic on the adoption of e-commerce in China	117
Clinical determinants of the severity of COVID-19: A systematic review and meta-analysis	116
COVID-19 Vaccine Acceptance and Beliefs among Black and Hispanic Americans	115
Investigation of SARS-CoV-2 infection in dogs and cats of humans diagnosed with COVID-19 in Rio de Janeiro, Brazil	115
In silico identification of potential inhibitors of key SARS-CoV-2 3CL hydrolase (Mpro) via molecular docking, MMGBSA predictive binding energy calculations, and molecular dynamics simulation	114
Study on the effect of digital economy on high-quality economic development in China	114
Examining the effect of information channel on COVID-19 vaccine acceptance	114
D-dimer as a biomarker for assessment of COVID-19 prognosis: D-dimer levels on admission and its role in predicting disease outcome in hospitalized patients with COVID-19	114
Cognitive and mental health changes and their vulnerability factors related to COVID-19 lockdown in Italy	113
Factors associated with disease severity and mortality among patients with COVID-19: A systematic review and meta-analysis	112
Pre-existing traits associated with Covid-19 illness severity	112
Factors that influence vaccination decision-making among pregnant women: A systematic review and meta-analysis	112
Predictors of mental health during the Covid-19 pandemic in the US: Role of economic concerns, health worries and social distancing	111
Shift work and long work hours and their association with chronic health conditions: A systematic review of systematic reviews with meta-analyses	110
Data quality in online human-subjects research: Comparisons between MTurk, Prolific, CloudResearch, Qualtrics, and SONA	110
Potential bioactive glycosylated flavonoids as SARS-CoV-2 main protease inhibitors: A molecular docking and simulation studies	109
Review of machine learning methods in soft robotics	109
Characteristics and outcomes of a cohort of COVID-19 patients in the Province of Reggio Emilia, Italy	109
Influence of perceived threat of Covid-19 and HEXACO personality traits on toilet paper stockpiling	108
Individual determinants of COVID-19 vaccine hesitancy	107
Impact of COVID-19 on mental health and quality of life: Is there any effect? A cross-sectional study of the MENA region	107
Development of ACE2 autoantibodies after SARS-CoV-2 infection	107
The impact of COVID-19 on hospital admissions and emergency department visits: A population-based study	106
Treatment of stimulant use disorder: A systematic review of reviews	106
Detection and characterization of fungus (Magnaporthe oryzae pathotype Triticum) causing wheat blast disease on rain-fed grown wheat (Triticum aestivum L.) in Zambia	106
Deep transfer learning artificial intelligence accurately stages COVID-19 lung disease severity on portable chest radiographs	105
Disease avoidance in the time of COVID-19: The behavioral immune system is associated with concern and preventative health behaviors	105
Resting state EEG biomarkers of cognitive decline associated with Alzheimer’s disease and mild cognitive impairment	105
Post-acute sequelae of COVID-19 in a non-hospitalized cohort: Results from the Arizona CoVHORT	105
Altered smell and taste: Anosmia, parosmia and the impact of long Covid-19	105
Clinical and analytical validation of FoundationOne®CDx, a comprehensive genomic profiling assay for solid tumors	104
The nexus between environmental tax and carbon emissions with the roles of environmental technology and financial development	104
T cell response to SARS-CoV-2 infection in humans: A systematic review	103
Teach-back: A systematic review of implementation and impacts	103
Analyzing changes in respiratory rate to predict the risk of COVID-19 infection	102
Development and validation of a model for individualized prediction of hospitalization risk in 4,536 patients with COVID-19	102
Combined seed and foliar pre-treatments with exogenous methyl jasmonate and salicylic acid mitigate drought-induced stress in maize	102
Sex and gender differences in caregiving burden experienced by family caregivers of persons with dementia: A systematic review	101
Alpha-, beta-, and gamma-diversity of bacteria varies across habitats	101
Student’s experiences with online teaching following COVID-19 lockdown: A mixed methods explorative study	101
Establishment of a well-characterized SARS-CoV-2 lentiviral pseudovirus neutralization assay using 293T cells with stable expression of ACE2 and TMPRSS2	100
Assessing concerns for the economic consequence of the COVID-19 response and mental health problems associated with economic vulnerability and negative economic shock in Italy, Spain, and the United K	100
What matters to women in the postnatal period: A meta-synthesis of qualitative studies	100
Oxygen saturation as a predictor of mortality in hospitalized adult patients with COVID-19 in a public hospital in Lima, Peru	99
Knowledge, attitude, and perceptions towards the 2019 Coronavirus Pandemic: A bi-national survey in Africa	99
Health, environmental, and animal rights motives for vegetarian eating	99
C-Reactive protein as a prognostic indicator in hospitalized patients with COVID-19	98
Biomarkers of cytokine storm as red flags for severe and fatal COVID-19 cases: A living systematic review and meta-analysis	98
Ocular surface manifestations of coronavirus disease 2019 (COVID-19): A systematic review and meta-analysis	98
Socio-ecological predictors of mental health outcomes among healthcare workers during the COVID-19 pandemic in the United States	98
Potential factors influencing COVID-19 vaccine acceptance and hesitancy: A systematic review	98
Rapid assessment of psychological and epidemiological correlates of COVID-19 concern, financial strain, and health-related behavior change in a large online sample	98
Enacting national social distancing policies corresponds with dramatic reduction in COVID19 infection rates	96
High throughput detection and genetic epidemiology of SARS-CoV-2 using COVIDSeq next-generation sequencing	96
Threat of COVID-19 and emotional state during quarantine: Positive and negative affect as mediators in a cross-sectional study of the Spanish population	96
The human microbiome and COVID-19: A systematic review	96
The propagation of economic impacts through supply chains: The case of a mega-city lockdown to prevent the spread of COVID-19	96
The passage of time during the UK Covid-19 lockdown	96
COVID-19 and human-nature relationships: Vermonters’ activities in nature and associated nonmaterial values during the pandemic	96
INCB054828 (pemigatinib), a potent and selective inhibitor of fibroblast growth factor receptors 1, 2, and 3, displays activity against genetically defined tumor models	95
Achieving the 95 95 95 targets for all: A pathway to ending AIDS	95
Human mobility trends during the early stage of the COVID-19 pandemic in the United States	95
Using social media to promote academic research: Identifying the benefits of twitter for sharing academic work	95
Social determinants of COVID-19 incidence and outcomes: A rapid review	95
A user-centred design framework for mHealth	94
Racial and ethnic differentials in COVID-19-related job exposures by occupational standing in the US	93
COVID-19 misinformation: Mere harmless delusions or much more? A knowledge and attitude cross-sectional study among the general public residing in Jordan	93
The unequal impact of the coronavirus pandemic: Evidence from seventeen developing countries	93
Characteristics of gut microbiota in people with obesity	93
The Japanese version of the Fear of COVID-19 scale: Reliability, validity, and relation to coping behavior	92
A systematic review of machine learning models for predicting outcomes of stroke with structured data	92
Mitigating infodemics: The relationship between news exposure and trust and belief in COVID-19 fake news and social media spreading	92
Anxiety and depression symptoms, the recovery from symptoms, and loneliness before and after the COVID-19 outbreak among the general population: Findings from a Dutch population-based longitudinal stu	92
Minority stress, distress, and suicide attempts in three cohorts of sexual minority adults: A U.S. probability sample	92
Consolidation in a crisis: Patterns of international collaboration in early COVID-19 research	92
A performance comparison of eight commercially available automatic classifiers for facial affect recognition	92
Opening the black box of artificial intelligence for clinical decision support: A study predicting stroke outcome	92
Mask adherence and rate of COVID-19 across the United States	92
Social distancing in response to the novel coronavirus (COVID-19) in the United States	92
Diagnostic accuracy of two commercial SARS-CoV-2 antigen-detecting rapid tests at the point of care in community-based testing centers	91
Associations between historical redlining and birth outcomes from 2006 through 2015 in California	91