OOIR: Observatory of International Research

Papers

(The median citation count of JMIR Public Health and Surveillance is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-03-01 to 2024-03-01.)

Article	Citations
Global Telemedicine Implementation and Integration Within Health Systems to Fight the COVID-19 Pandemic: A Call to Action	685
Tracking Social Media Discourse About the COVID-19 Pandemic: Development of a Public Coronavirus Twitter Data Set	398
Misinformation of COVID-19 on the Internet: Infodemiology Study	359
Global Sentiments Surrounding the COVID-19 Pandemic on Twitter: Analysis of Twitter Trends	304
Knowledge and Perceptions of COVID-19 Among Health Care Workers: Cross-Sectional Study	286
Public Perception of the COVID-19 Pandemic on Twitter: Sentiment Analysis and Topic Modeling Study	274
Predicting COVID-19 Incidence Through Analysis of Google Trends Data in Iran: Data Mining and Deep Learning Pilot Study	257
Dentists’ Awareness, Perception, and Attitude Regarding COVID-19 and Infection Control: Cross-Sectional Study Among Jordanian Dentists	233
Considerations for Postacute Rehabilitation for Survivors of COVID-19	224
Knowledge and Behaviors Toward COVID-19 Among US Residents During the Early Days of the Pandemic: Cross-Sectional Online Questionnaire	221
Global Changes and Factors of Increase in Caloric/Salty Food Intake, Screen Use, and Substance Use During the Early COVID-19 Containment Phase in the General Population in France: Survey Study	216
Adoption of a Contact Tracing App for Containing COVID-19: A Health Belief Model Approach	205
COVID-19-Related Web Search Behaviors and Infodemic Attitudes in Italy: Infodemiological Study	198
Population-Level Interest and Telehealth Capacity of US Hospitals in Response to COVID-19: Cross-Sectional Analysis of Google Search and National Hospital Survey Data	178
Association Between Public Knowledge About COVID-19, Trust in Information Sources, and Adherence to Social Distancing: Cross-Sectional Survey	162
Prediction of the COVID-19 Pandemic for the Top 15 Affected Countries: Advanced Autoregressive Integrated Moving Average (ARIMA) Model	158
Assessment of Health Information About COVID-19 Prevention on the Internet: Infodemiological Study	154
Regulation and Trust: 3-Month Follow-up Study on COVID-19 Mortality in 25 European Countries	154
Trends and Predictors of COVID-19 Information Sources and Their Relationship With Knowledge and Beliefs Related to the Pandemic: Nationwide Cross-Sectional Study	153
COVID-19 Vaccine Hesitancy on Social Media: Building a Public Twitter Data Set of Antivaccine Content, Vaccine Misinformation, and Conspiracies	151
Data Mining and Content Analysis of the Chinese Social Media Platform Weibo During the Early COVID-19 Outbreak: Retrospective Observational Infoveillance Study	135
Global Preparedness Against COVID-19: We Must Leverage the Power of Digital Health	130
Tracking COVID-19 in Europe: Infodemiology Approach	118
Belief in a COVID-19 Conspiracy Theory as a Predictor of Mental Health and Well-Being of Health Care Workers in Ecuador: Cross-Sectional Survey Study	110
Machine Learning to Detect Self-Reporting of Symptoms, Testing Access, and Recovery Associated With COVID-19 on Twitter: Retrospective Big Data Infoveillance Study	109

Turning the Crisis Into an Opportunity: Digital Health Strategies Deployed During the COVID-19 Outbreak	108
Digital or Digitally Delivered Responses to Domestic and Intimate Partner Violence During COVID-19	99
The Three Steps Needed to End the COVID-19 Pandemic: Bold Public Health Leadership, Rapid Innovations, and Courageous Political Will	97
Correlations of Online Search Engine Trends With Coronavirus Disease (COVID-19) Incidence: Infodemiology Study	92
Interpreting COVID-19 and Virtual Care Trends: Cohort Study	89
Preventive Behaviors Conveyed on YouTube to Mitigate Transmission of COVID-19: Cross-Sectional Study	84
COVID-19 Vaccine Hesitancy and Acceptance Among Individuals With Cancer, Autoimmune Diseases, or Other Serious Comorbid Conditions: Cross-sectional, Internet-Based Survey	81
Drivers of Acceptance of COVID-19 Proximity Tracing Apps in Switzerland: Panel Survey Analysis	79
Primary Health Care Facility Preparedness for Outpatient Service Provision During the COVID-19 Pandemic in India: Cross-Sectional Study	78
Novel Coronavirus in Cape Town Informal Settlements: Feasibility of Using Informal Dwelling Outlines to Identify High Risk Areas for COVID-19 Transmission From A Social Distancing Perspective	75
Big Data, Natural Language Processing, and Deep Learning to Detect and Characterize Illicit COVID-19 Product Sales: Infoveillance Study on Twitter and Instagram	73
Mining Physicians’ Opinions on Social Media to Obtain Insights Into COVID-19: Mixed Methods Analysis	70
Telehealth as a Bright Spot of the COVID-19 Pandemic: Recommendations From the Virtual Frontlines ("Frontweb")	68
Telehealth Demand Trends During the COVID-19 Pandemic in the Top 50 Most Affected Countries: Infodemiological Evaluation	67
No Place Like Home: Cross-National Data Analysis of the Efficacy of Social Distancing During the COVID-19 Pandemic	65
Concerns and Misconceptions About the Australian Government’s COVIDSafe App: Cross-Sectional Survey Study	62
Mathematical Modelling to Assess the Impact of Lockdown on COVID-19 Transmission in India: Model Development and Validation	61
A Case for Participatory Disease Surveillance of the COVID-19 Pandemic in India	61
Detection of SARS-CoV-2 RNA and Antibodies in Diverse Samples: Protocol to Validate the Sufficiency of Provider-Observed, Home-Collected Blood, Saliva, and Oropharyngeal Samples	61
Use of Health Belief Model–Based Deep Learning Classifiers for COVID-19 Social Media Content to Examine Public Perceptions of Physical Distancing: Model Development and Case Study	60
Emergence of a Novel Coronavirus (COVID-19): Protocol for Extending Surveillance Used by the Royal College of General Practitioners Research and Surveillance Centre and Public Health England	60
Emergency Response to COVID-19 in Canada: Platform Development and Implementation for eHealth in Crisis Management	57
Self-Reported Symptoms of SARS-CoV-2 Infection in a Nonhospitalized Population in Italy: Cross-Sectional Study of the EPICOVID19 Web-Based Survey	56
Perspective of Medical Students on the COVID-19 Pandemic: Survey of Nine Medical Schools in Uganda	55
Promoting Mask Use on TikTok: Descriptive, Cross-sectional Study	54
The Impact of the COVID-19 Pandemic on the Uptake of Influenza Vaccine: UK-Wide Observational Study	53
COVID-19 Crisis in Jordan: Response, Scenarios, Strategies, and Recommendations	52
COVID-19 in India: Statewise Analysis and Prediction	52
“Thought I’d Share First” and Other Conspiracy Theory Tweets from the COVID-19 Infodemic: Exploratory Study	51
Comparing News Articles and Tweets About COVID-19 in Brazil: Sentiment Analysis and Topic Modeling Approach	51
The Association Between Chronic Disease and Serious COVID-19 Outcomes and Its Influence on Risk Perception: Survey Study and Database Analysis	50
Conducting Clinical Research During the COVID-19 Pandemic: Investigator and Participant Perspectives	47
Agile Requirements Engineering and Software Planning for a Digital Health Platform to Engage the Effects of Isolation Caused by Social Distancing: Case Study	47
The Role of YouTube and the Entertainment Industry in Saving Lives by Educating and Mobilizing the Public to Adopt Behaviors for Community Mitigation of COVID-19: Successive Sampling Design Study	44
A Web- and App-Based Connected Care Solution for COVID-19 In- and Outpatient Care: Qualitative Study and Application Development	44
Methods for Social Media Monitoring Related to Vaccination: Systematic Scoping Review	44
Surveillance of COVID-19 in the General Population Using an Online Questionnaire: Report From 18,161 Respondents in China	43
Fluctuation of Public Interest in COVID-19 in the United States: Retrospective Analysis of Google Trends Search Data	43
Public Discourse Against Masks in the COVID-19 Era: Infodemiology Study of Twitter Data	43
COVID-19 and Black, Asian, and Minority Ethnic Communities: A Complex Relationship Without Just Cause	42
The Oxford Royal College of General Practitioners Clinical Informatics Digital Hub: Protocol to Develop Extended COVID-19 Surveillance and Trial Platforms	42
Characterizing the COVID-19 Infodemic on Chinese Social Media: Exploratory Study	41
Changes in Workers’ Sedentary and Physical Activity Behaviors in Response to the COVID-19 Pandemic and Their Relationships With Fatigue: Longitudinal Online Study	41
A Mobile Health Platform to Disseminate Validated Institutional Measurements During the COVID-19 Outbreak: Utilization-Focused Evaluation Study	40
A Guide to Chatbots for COVID-19 Screening at Pediatric Health Care Facilities	38
COVIDApp as an Innovative Strategy for the Management and Follow-Up of COVID-19 Cases in Long-Term Care Facilities in Catalonia: Implementation Study	38
What Factors Increase the Risk of Complications in SARS-CoV-2–Infected Patients? A Cohort Study in a Nationwide Israeli Health Organization	38
COVID-19 Surveillance in a Primary Care Sentinel Network: In-Pandemic Development of an Application Ontology	36
Assessing COVID-19 Vaccine Uptake and Effectiveness Through the North West London Vaccination Program: Retrospective Cohort Study	36
E-Cigarette Advocates on Twitter: Content Analysis of Vaping-Related Tweets	36

A Snapshot of SARS-CoV-2 Genome Availability up to April 2020 and its Implications: Data Analysis	35
Has Omicron Changed the Evolution of the Pandemic?	34
Delivering Benefits at Speed Through Real-World Repurposing of Off-Patent Drugs: The COVID-19 Pandemic as a Case in Point	34
COVID-19 and Laparoscopic Surgery: Scoping Review of Current Literature and Local Expertise	34
Preparation for Quarantine on the Cruise Ship Diamond Princess in Japan due to COVID-19	34
The Use of Digital Tools to Mitigate the COVID-19 Pandemic: Comparative Retrospective Study of Six Countries	34
The Resurgence of Cyber Racism During the COVID-19 Pandemic and its Aftereffects: Analysis of Sentiments and Emotions in Tweets	33
The Reliability and Quality of YouTube Videos as a Source of Public Health Information Regarding COVID-19 Vaccination: Cross-sectional Study	33
Willingness to Receive COVID-19 Vaccination Among People Living With HIV and AIDS in China: Nationwide Cross-sectional Online Survey	32
Anxiety and Sleep Disturbances Among Health Care Workers During the COVID-19 Pandemic in India: Cross-Sectional Online Survey	32
Comparison of Transmissibility of Coronavirus Between Symptomatic and Asymptomatic Patients: Reanalysis of the Ningbo COVID-19 Data	32
Suitability and Sufficiency of Telehealth Clinician-Observed, Participant-Collected Samples for SARS-CoV-2 Testing: The iCollect Cohort Pilot Study	32
Characterizing Weibo Social Media Posts From Wuhan, China During the Early Stages of the COVID-19 Pandemic: Qualitative Content Analysis	31
Consumer Reported Care Deferrals Due to the COVID-19 Pandemic, and the Role and Potential of Telemedicine: Cross-Sectional Analysis	31
The Prevalence, Features, Influencing Factors, and Solutions for COVID-19 Vaccine Misinformation: Systematic Review	31
Global Pattern and Trends in Penile Cancer Incidence: Population-Based Study	31
How Health Care Workers Wield Influence Through Twitter Hashtags: Retrospective Cross-sectional Study of the Gun Violence and COVID-19 Public Health Crises	31
Multilevel Determinants of COVID-19 Vaccine Uptake Among South Asian Ethnic Minorities in Hong Kong: Cross-sectional Web-Based Survey	30
Urban Intelligence for Pandemic Response: Viewpoint	30
Estimation of the Probability of Reinfection With COVID-19 by the Susceptible-Exposed-Infectious-Removed-Undetectable-Susceptible Model	29
Defining Digital Public Health and the Role of Digitization, Digitalization, and Digital Transformation: Scoping Review	29
High Work-Related Stress and Anxiety as a Response to COVID-19 Among Health Care Workers in South Korea: Cross-sectional Online Survey Study	28
YouTube Videos and Informed Decision-Making About COVID-19 Vaccination: Successive Sampling Study	28
Examining the Utility of Social Media in COVID-19 Vaccination: Unsupervised Learning of 672,133 Twitter Posts	28
Early Stage Machine Learning–Based Prediction of US County Vulnerability to the COVID-19 Pandemic: Machine Learning Approach	28
Online Public Attention During the Early Days of the COVID-19 Pandemic: Infoveillance Study Based on Baidu Index	28
COVID-19 Vaccine–Related Attitudes and Beliefs in Canada: National Cross-sectional Survey and Cluster Analysis	28
Projections of Lung Cancer Incidence by 2035 in 40 Countries Worldwide: Population-Based Study	28
The Surveillance Outbreak Response Management and Analysis System (SORMAS): Digital Health Global Goods Maturity Assessment	27
Electronic Cigarette–Related Contents on Instagram: Observational Study and Exploratory Analysis	27
Association of Search Query Interest in Gastrointestinal Symptoms With COVID-19 Diagnosis in the United States: Infodemiology Study	27
A Racially Unbiased, Machine Learning Approach to Prediction of Mortality: Algorithm Development Study	27
US Physicians’ and Nurses’ Motivations, Barriers, and Recommendations for Correcting Health Misinformation on Social Media: Qualitative Interview Study	27
Association Between Smoking and SARS-CoV-2 Infection: Cross-sectional Study of the EPICOVID19 Internet-Based Survey	27
Availability, Formulation, Labeling, and Price of Low-sodium Salt Worldwide: Environmental Scan	26
Digitization and Health in Germany: Cross-sectional Nationwide Survey	26
COVID-19 and Slums: A Pandemic Highlights Gaps in Knowledge About Urban Poverty	26
The Effect of a Wordless, Animated, Social Media Video Intervention on COVID-19 Prevention: Online Randomized Controlled Trial	26
Collateral Crises of Gun Preparation and the COVID-19 Pandemic: Infodemiology Study	26
An Internet-Based, Peer-Delivered Messaging Intervention for HIV Testing and Condom Use Among Men Who Have Sex With Men in India (CHALO!): Pilot Randomized Comparative Trial	26
Demographic Factors Influencing the Impact of Coronavirus-Related Misinformation on WhatsApp: Cross-sectional Questionnaire Study	26
Increases in Naloxone Administrations by Emergency Medical Services Providers During the COVID-19 Pandemic: Retrospective Time Series Study	25
Using a Twitter Chat to Rapidly Identify Barriers and Policy Solutions for Metastatic Breast Cancer Care: Qualitative Study	25
A Rapid Assessment of the Impact of COVID-19 on Asian Americans: Cross-sectional Survey Study	25
Young Adults’ Perspectives on the Use of Symptom Checkers for Self-Triage and Self-Diagnosis: Qualitative Study	25
Real-Time Digital Contact Tracing: Development of a System to Control COVID-19 Outbreaks in Nursing Homes and Long-Term Care Facilities	25
The Saudi Ministry of Health’s Twitter Communication Strategies and Public Engagement During the COVID-19 Pandemic: Content Analysis Study	25
COVID-19–Related Hospitalization Rates and Severe Outcomes Among Veterans From 5 Veterans Affairs Medical Centers: Hospital-Based Surveillance Study	25
The Nature and Extent of Online Marketing by Big Food and Big Alcohol During the COVID-19 Pandemic in Australia: Content Analysis Study	24
Online National Health Agency Mask Guidance for the Public in Light of COVID-19: Content Analysis	24
Participatory Surveillance Based on Crowdsourcing During the Rio 2016 Olympic Games Using the Guardians of Health Platform: Descriptive Study	24
Surveillance of the Second Wave of COVID-19 in Europe: Longitudinal Trend Analyses	24
Physical Activity, Nutritional Habits, and Sleeping Behavior in Students and Employees of a Swiss University During the COVID-19 Lockdown Period: Questionnaire Survey Study	24
Electronic Cigarette Users' Perspective on the COVID-19 Pandemic: Observational Study Using Twitter Data	23
COVID-19: Putting the General Data Protection Regulation to the Test	23
The Role of the Global Health Development/Eastern Mediterranean Public Health Network and the Eastern Mediterranean Field Epidemiology Training Programs in Preparedness for COVID-19	23
The Impact of COVID-19 Management Policies Tailored to Airborne SARS-CoV-2 Transmission: Policy Analysis	23
Diet, Nutrition, Obesity, and Their Implications for COVID-19 Mortality: Development of a Marginalized Two-Part Model for Semicontinuous Data	23
Collaborating in the Time of COVID-19: The Scope and Scale of Innovative Responses to a Global Pandemic	22
Influenza and Respiratory Virus Surveillance, Vaccine Uptake, and Effectiveness at a Time of Cocirculating COVID-19: Protocol for the English Primary Care Sentinel System for 2020-2021	22
An Urban Population Health Observatory System to Support COVID-19 Pandemic Preparedness, Response, and Management: Design and Development Study	22
Evaluating Apple Inc Mobility Trend Data Related to the COVID-19 Outbreak in Japan: Statistical Analysis	22
The Influence of the COVID-19 Epidemic on Prevention and Vaccination Behaviors Among Chinese Children and Adolescents: Cross-sectional Online Survey Study	22
Exploring the Utility of Google Mobility Data During the COVID-19 Pandemic in India: Digital Epidemiological Analysis	22
Pakistan’s Response to COVID-19: Overcoming National and International Hypes to Fight the Pandemic	22
Texas Public Agencies’ Tweets and Public Engagement During the COVID-19 Pandemic: Natural Language Processing Approach	22
Effects of Age, Gender, Health Status, and Political Party on COVID-19–Related Concerns and Prevention Behaviors: Results of a Large, Longitudinal Cross-sectional Survey	22
Geographic Differences in Cannabis Conversations on Twitter: Infodemiology Study	21
Telemedicine and the Use of Korean Medicine for Patients With COVID-19 in South Korea: Observational Study	21
The Differential Effects of Social Media on Depressive Symptoms and Suicidal Ideation Among the Younger and Older Adult Population in Hong Kong During the COVID-19 Pandemic: Population-Based Cross-sec	21
General Audience Engagement With Antismoking Public Health Messages Across Multiple Social Media Sites: Comparative Analysis	20
Measuring Problematic Internet Use, Internet Gaming Disorder, and Social Media Addiction in Young Adults: Cross-sectional Survey Study	20
Use of a Telemedicine Risk Assessment Tool to Predict the Risk of Hospitalization of 496 Outpatients With COVID-19: Retrospective Analysis	20
Nowcasting for Real-Time COVID-19 Tracking in New York City: An Evaluation Using Reportable Disease Data From Early in the Pandemic	20
Contributing to Elimination of Cross-Border Malaria Through a Standardized Solution for Case Surveillance, Data Sharing, and Data Interpretation: Development of a Cross-Border Monitoring System	19
Using Twitter to Surveil the Opioid Epidemic in North Carolina: An Exploratory Study	19
SARS-CoV-2 Testing Service Preferences of Adults in the United States: Discrete Choice Experiment	19
With Great Hopes Come Great Expectations: Access and Adoption Issues Associated With COVID-19 Vaccines	19
The Disease and Economic Burdens of Esophageal Cancer in China from 2013 to 2030: Dynamic Cohort Modeling Study	19
Electronic Surveillance System for the Early Notification of Community-Based Epidemics (ESSENCE): Overview, Components, and Public Health Applications	18

Factors Driving the Popularity and Virality of COVID-19 Vaccine Discourse on Twitter: Text Mining and Data Visualization Study	18
Correlation of Population SARS-CoV-2 Cycle Threshold Values to Local Disease Dynamics: Exploratory Observational Study	18
Representativeness, Vaccination Uptake, and COVID-19 Clinical Outcomes 2020-2021 in the UK Oxford-Royal College of General Practitioners Research and Surveillance Network: Cohort Profile Summary	18
Uncovering Clinical Risk Factors and Predicting Severe COVID-19 Cases Using UK Biobank Data: Machine Learning Approach	18
Associations Between the Perceived Severity of the COVID-19 Pandemic, Cyberchondria, Depression, Anxiety, Stress, and Lockdown Experience: Cross-sectional Survey Study	18
Complementing the US Food and Drug Administration Adverse Event Reporting System With Adverse Drug Reaction Reporting From Social Media: Comparative Analysis	18
Mapping Research Trends of Universal Health Coverage From 1990 to 2019: Bibliometric Analysis	17
Jobs, Housing, and Mask Wearing: Cross-Sectional Study of Risk Factors for COVID-19	17
Convalescent Plasma for the Prevention and Treatment of COVID-19: A Systematic Review and Quantitative Analysis	17
Barriers to Creating Scalable Business Models for Digital Health Innovation in Public Systems: Qualitative Case Study	17
Differences in Clinical Presentation With Long COVID After Community and Hospital Infection and Associations With All-Cause Mortality: English Sentinel Network Database Study	17
The Impact of Public Health Events on COVID-19 Vaccine Hesitancy on Chinese Social Media: National Infoveillance Study	17
The Use of Social Media in Detecting Drug Safety–Related New Black Box Warnings, Labeling Changes, or Withdrawals: Scoping Review	17
Investigating Unhealthy Alcohol Use As an Independent Risk Factor for Increased COVID-19 Disease Severity: Observational Cross-sectional Study	17
Comparing Social Media and In-Person Recruitment: Lessons Learned From Recruiting Substance-Using, Sexual and Gender Minority Adolescents and Young Adults for a Randomized Control Trial	16
Effectiveness of Contact Tracing for Viral Disease Mitigation and Suppression: Evidence-Based Review	16
Perception of the Food and Drug Administration Electronic Cigarette Flavor Enforcement Policy on Twitter: Observational Study	16
Knowledge About COVID-19 in Brazil: Cross-Sectional Web-Based Study	16
Epidemiology, Symptomatology, and Risk Factors for Long COVID Symptoms: Population-Based, Multicenter Study	16
Public Health Strategies for the Gradual Lifting of the Public Sector Lockdown in Jordan and the United Arab Emirates During the COVID-19 Crisis	16
Leveraging a Cloud-Based Critical Care Registry for COVID-19 Pandemic Surveillance and Research in Low- and Middle-Income Countries	16
The Annual American Men’s Internet Survey of Behaviors of Men Who Have Sex With Men in the United States: Key Indicators Report 2018	16
Analyzing Cross-country Pandemic Connectedness During COVID-19 Using a Spatial-Temporal Database: Network Analysis	16
Natural Language Processing Insight into LGBTQ+ Youth Mental Health During the COVID-19 Pandemic: Longitudinal Content Analysis of Anxiety-Provoking Topics and Trends in Emotion in LGBTeens Microcommu	16
Distance Management of Spinal Disorders During the COVID-19 Pandemic and Beyond: Evidence-Based Patient and Clinician Guides From the Global Spine Care Initiative	16
Associations Between Online Pornography Consumption and Sexual Dysfunction in Young Men: Multivariate Analysis Based on an International Web-Based Survey	16
The Efficacy of a Brief, Altruism-Eliciting Video Intervention in Enhancing COVID-19 Vaccination Intentions Among a Population-Based Sample of Younger Adults: Randomized Controlled Trial	16
Prevalence and Predictors of Health-Related Internet and Digital Device Use in a Sample of South Asian Adults in Edmonton, Alberta, Canada: Results From a 2014 Community-Based Survey	15
Community Mitigation of COVID-19 and Portrayal of Testing on TikTok: Descriptive Study	15
App Use and Usability of a Barcode-Based Digital Platform to Augment COVID-19 Contact Tracing: Postpilot Survey and Paradata Analysis	15
Human-Animal Interaction and the Emergence of SARS-CoV-2	15
The Influence of Average Temperature and Relative Humidity on New Cases of COVID-19: Time-Series Analysis	15
Conducting Virtual, Synchronous Focus Groups Among Black Sexual Minority Men: Qualitative Study	15
Natural Language Processing for Improved Characterization of COVID-19 Symptoms: Observational Study of 350,000 Patients in a Large Integrated Health Care System	15
Protective Behaviors and Secondary Harms Resulting From Nonpharmaceutical Interventions During the COVID-19 Epidemic in South Africa: Multisite, Prospective Longitudinal Study	15
Clinical Characteristics and Outcomes of Patients With Diabetes Admitted for COVID-19 Treatment in Dubai: Single-Centre Cross-Sectional Study	15
Pre-exposure Prophylaxis (PrEP) Information on Instagram: Content Analysis	15
The Influence of COVID-19 Information Sources on the Attitudes and Practices Toward COVID-19 Among the General Public of Saudi Arabia: Cross-sectional Online Survey Study	15
Effects of an mHealth Intervention for Pulmonary Tuberculosis Self-management Based on the Integrated Theory of Health Behavior Change: Randomized Controlled Trial	15
Social Media as an Early Proxy for Social Distancing Indicated by the COVID-19 Reproduction Number: Observational Study	15
A Web-Based Geolocated Directory of Crisis Pregnancy Centers (CPCs) in the United States: Description of CPC Map Methods and Design Features and Analysis of Baseline Data	15
Testing the Efficacy of Attitudinal Inoculation Videos to Enhance COVID-19 Vaccine Acceptance: Quasi-Experimental Intervention Trial	14
Availability and Suitability of Digital Health Tools in Africa for Pandemic Control: Scoping Review and Cluster Analysis	14
Forecasting COVID-19 Hospital Census: A Multivariate Time-Series Model Based on Local Infection Incidence	14
YouTube Videos Demonstrating the Nasopharyngeal Swab Technique for SARS-CoV-2 Specimen Collection: Content Analysis	14
Comparison of Clinical Outcomes of Persons Living With HIV by Enrollment Status in Washington, DC: Evaluation of a Large Longitudinal HIV Cohort Study	14
Using Machine Learning to Compare Provaccine and Antivaccine Discourse Among the Public on Social Media: Algorithm Development Study	14
Reinfection with SARS-CoV-2: Discrete SIR (Susceptible, Infected, Recovered) Modeling Using Empirical Infection Data	14
Antimicrobial Resistance of Neisseria Gonorrhoeae in a Newly Implemented Surveillance Program in Uganda: Surveillance Report	14
Investigating the Attitudes of Adolescents and Young Adults Towards JUUL: Computational Study Using Twitter Data	14
Patterns of Suicide Ideation Across Eight Countries in Four Continents During the COVID-19 Pandemic Era: Repeated Cross-sectional Study	14
Understanding the Extent of Adolescents’ Willingness to Engage With Food and Beverage Companies’ Instagram Accounts: Experimental Survey Study	13
Morbidity and Mortality Associated with Typhoid Fever Among Hospitalized Patients in Hyderabad District, Pakistan, 2017-2018: Retrospective Record Review	13
The Impacts of the COVID-19 Pandemic on HIV Testing Utilization Among Men Who Have Sex With Men in China: Cross-sectional Online Survey	13
E-Cigarette Promotion on Twitter in Australia: Content Analysis of Tweets	13
Community and Campus COVID-19 Risk Uncertainty Under University Reopening Scenarios: Model-Based Analysis	13
Modeling COVID-19 Latent Prevalence to Assess a Public Health Intervention at a State and Regional Scale: Retrospective Cohort Study	13
Public Reactions to the New York State Policy on Flavored Electronic Cigarettes on Twitter: Observational Study	13
Artificial Intelligence–Enabled Social Media Analysis for Pharmacovigilance of COVID-19 Vaccinations in the United Kingdom: Observational Study	13
The Association Between State-Level Racial Attitudes Assessed From Twitter Data and Adverse Birth Outcomes: Observational Study	13
Factors Associated With COVID-19 Death in the United States: Cohort Study	13
Coinfection With SARS-CoV-2 and Influenza A(H1N1) in a Patient Seen at an Influenza-like Illness Surveillance Site in Egypt: Case Report	13
The Associations of Weekend Warrior Activity Patterns With the Visceral Adiposity Index in US Adults: Repeated Cross-sectional Study	13
Novel Approach to Support Rapid Data Collection, Management, and Visualization During the COVID-19 Outbreak Response in the World Health Organization African Region: Development of a Data Summarizatio	13
Identifying Influential Factors in the Discussion Dynamics of Emerging Health Issues on Social Media: Computational Study	13
Exploring Substance Use Tweets of Youth in the United States: Mixed Methods Study	13
Reasons for COVID-19 Vaccine Hesitancy Among Chinese People Living With HIV/AIDS: Structural Equation Modeling Analysis	12
Reasons for Nonuse, Discontinuation of Use, and Acceptance of Additional Functionalities of a COVID-19 Contact Tracing App: Cross-sectional Survey Study	12
Social Media as a Research Tool (SMaaRT) for Risky Behavior Analytics: Methodological Review	12
The Impact of COVID-19 on Mortality in Italy: Retrospective Analysis of Epidemiological Trends	12
A Wake-up Call for Burnout in Portuguese Physicians During the COVID-19 Outbreak: National Survey Study	12
Risk Assessment of Importation and Local Transmission of COVID-19 in South Korea: Statistical Modeling Approach	12
Perspective of an International Online Patient and Caregiver Community on the Burden of Spasticity and Impact of Botulinum Neurotoxin Therapy: Survey Study	12
Morocco's National Response to the COVID-19 Pandemic: Public Health Challenges and Lessons Learned	12
Peer Recruitment Strategies for Female Sex Workers Not Engaged in HIV Prevention and Treatment Services in Côte d’Ivoire: Program Data Analysis	12
Association of Substance Use With Behavioral Adherence to Centers for Disease Control and Prevention Guidelines for COVID-19 Mitigation: Cross-sectional Web-Based Survey	12
Public Health Implications of Adapting HIV Pre-exposure Prophylaxis Programs for Virtual Service Delivery in the Context of the COVID-19 Pandemic: Systematic Review	12
Using Open-Source Intelligence to Detect Early Signals of COVID-19 in China: Descriptive Study	12
Hospital Epidemics Tracker (HEpiTracker): Description and pilot study of a mobile app to track COVID-19 in hospital workers	12
Clinical Characterization of Patients With COVID-19 in Primary Care in Catalonia: Retrospective Observational Study	12
Latin America and the Caribbean SARS-CoV-2 Surveillance: Longitudinal Trend Analysis	12
The Influence of Media Coverage and Governmental Policies on Google Queries Related to COVID-19 Cutaneous Symptoms: Infodemiology Study	11
Designing Better Exposure Notification Apps: The Role of Persuasive Design	11
Risk Factors Associated With SARS-CoV-2 Breakthrough Infections in Fully mRNA-Vaccinated Individuals: Retrospective Analysis	11
Impact of the COVID-19 Pandemic on the Health Status and Behaviors of Adults in Korea: National Cross-sectional Web-Based Self-report Survey	11
The Annual American Men’s Internet Survey of Behaviors of Men Who Have Sex With Men in the United States: 2017 Key Indicators Report	11
Comparing the Effectiveness, Tolerability, and Acceptability of Heated Tobacco Products and Refillable Electronic Cigarettes for Cigarette Substitution (CEASEFIRE): Randomized Controlled Trial	11
Transmission Dynamics of the COVID-19 Epidemic at the District Level in India: Prospective Observational Study	11
Consumer-Based Activity Trackers as a Tool for Physical Activity Monitoring in Epidemiological Studies During the COVID-19 Pandemic: Development and Usability Study	11
Changes in Parental Attitudes Toward COVID-19 Vaccination and Routine Childhood Vaccination During the COVID-19 Pandemic: Repeated Cross-sectional Survey Study	11
Use of HIV Recency Assays for HIV Incidence Estimation and Other Surveillance Use Cases: Systematic Review	11
Social Media Use, Unhealthy Lifestyles, and the Risk of Miscarriage Among Pregnant Women During the COVID-19 Pandemic: Prospective Observational Study	11
Time Trends of the Public’s Attention Toward Suicide During the COVID-19 Pandemic: Retrospective, Longitudinal Time-Series Study	11
Google Searches and Suicide Rates in Spain, 2004-2013: Correlation Study	11
Independent and Combined Associations of Physical Activity, Sedentary Time, and Activity Intensities With Perceived Stress Among University Students: Internet-Based Cross-Sectional Study	11