SARS-CoV-2/COVID-19 Prevalence Study

Design: Cross-sectional surveys of (1) adults residing in senior living facilities and attending outpatient healthcare facilities, and (2) the general population in each selected research site community. Population: 1. Adults residing in senior living facilities (nursing homes, assisted or independent living facilities) and attending outpatient healthcare facilities in neighborhoods of selected research sites 2. Adults and children (\> 2 months of age) in neighborhoods of selected research sites Study Size: For each research site, up to 3,920 individuals will be enrolled from one, two, or all three of the following populations (must include at least community venues): 1. senior living facilities (nursing homes, assisted or independent living facilities; n = 500) 2. outpatient healthcare facilities (n = 500) 3. community venues distributed across four age categories (0-17, 18-39, 40-59, 60+ years) (n = 730 per stratum or 2920) Total sample size = 3,920 x up to 20 clinical research sites Study Duration: Approximately sixteen (16) months for overall project. Two (2) months for protocol development and institutional review board (IRB) approval, followed by: 1. Facility-based surveys: 12 months (3 months for site preparation and initiation, 3 months for enrollment/sample collection, 4 months for shipping and laboratory testing\*, 2 months for close-out), concurrent with 2. Time-location sampling (TLS) surveys: 14 months (3 months for site preparation and initiation, 6 months for enrollment/sample collection, 6 months for shipping and laboratory testing\*, 2 months for close-out) * Some activities will be concurrent with enrollment Study Location: Catchment areas surrounding US-based Clinical Research Sites (CRSs) of the: HIV Prevention Trials Network (HPTN), HIV Vaccine Trials Network (HVTN), Infectious Diseases Clinical Research Consortium (IDCRC), International Maternal Pediatric Adolescent AIDS Clinical Trials Group (IMPAACT), and the AIDS Clinical Trials Group (ACTG); to be specified in the Site Announcement Memo Study Methods: Blood collection for SARS-CoV-2 antibody testing and characterization of the serologic response to SARS-CoV-2 infection; nasal mid-turbinate swab collection for SARS-CoV-2 RNA testing; collection of saliva in a subset of participants to evaluate the performance of diagnostic SARS-CoV-2 assays using these matrices; administration of tablet-based survey. Medical records abstraction for senior living facility participants who are unable to respond to the study survey.