COVID-19(34) SARS-CoV-2(19) Epidemiology(14) Infection(12) Prevalence(11) random(10) Health(10) estimate(10) participant(9) antibody(9) Pain(8) surveillance.(8) Epidemiologic methods(8) Follow-up(8) determine(8) medical records(8) Risk factors.(8) Health care seeking behavior(8) population surveillance(8) herpes zoster(8) risk(8) Health Surveys(8) IgG(7) COVID-19 infection(7) blood sample(6) Population-based survey(6) Households(6) nucleocapsid antigens(6) incidence(6) enrolled(6)