MURDOCK Cabarrus County COVID-19 Prevalence and Immunity (C3PI) Study

"1. PCR testing: participate will conduct at-home collection and return of self-administered nasal swabs for COVID-19 polymerase chain reaction (PCR) viral testing. Saliva specimens may replace the nasal swab specimen. Specimens will be collected at baseline and every 2 weeks in conjunction with questionnaire administration.~2. Serology testing: The same randomized participants will also provide a blood sample for serologic testing for SARS-CoV-2 IgG antibodies. Specimens will be collected by routine venipuncture at the MURDOCK Study office in Kannapolis, NC.Specimens for serology will be collected at baseline approximately 1 month after the first questionnaire and 2 weeks after the first nasal swab collection and COVID-19 PCR testing. Specimens for serology will be collected at least bi-monthly and up to monthly thereafter through a total study duration of 6, and up to 12, months."