Collaborative Cohort of Cohorts for COVID-19 Research (C4R) Study: Study Design

Keyphrases

• COVID-19 100%
• Risk Factors 33%
• Illness 33%
• Severe Acute Respiratory Syndrome Coronavirus 2 Infection 33%
• Hospitalization 16%
• Telephone 16%
• United States 16%
• Long-term Health 16%
• Social Determinants of Health (SDoH) 16%
• Retention Rate 16%
• Population-based 16%
• Clinical Disease 16%
• Infectious Diseases 16%
• Research Quality 16%
• Master Protocol 16%
• Standardized Questionnaire 16%
• Risk Evaluation 16%
• Health Trajectories 16%
• Dried Blood Spots 16%
• Prospective Cohort Study 16%
• Subclinical Disease 16%
• Survey-based 16%
• Geographic Diversity 16%
• Social Impact 16%
• Behavioral Impact 16%
• Coronavirus Disease (COVID) 16%
• Pandemic Impact 16%
• Recall Bias 16%
• Resilience Factors 16%
• Event Quality 16%
• Behavior Cognition 16%
• Serosurvey 16%
• Referral Bias 16%
• Behavior Determinants 16%
• Socioeconomic Diversity 16%
• Racial-ethnic Diversity 16%
• Survival Bias 16%
• Pre-pandemic 16%
• Post-acute Sequelae 16%
• Event-based Surveillance 16%
• Post-acute COVID 16%

Medicine and Dentistry

• COVID-19 100%
• Severe Acute Respiratory Syndrome Coronavirus 2 42%
• Diseases 42%
• Infection 28%
• Biological Marker 14%
• Prospective Study 14%
• Sequela 14%
• Cohort Analysis 14%
• Prospective Cohort Study 14%
• Dried Blood Spot 14%
• Patient Referral 14%
• Social Determinants of Health 14%
• Serosurvey 14%