Alliance for Pandemic Preparedness

July 21, 2020

Estimated Community Seroprevalence of SARS-CoV-2 Antibodies — Two Georgia Counties, April 28–May 3, 2020

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  • A seroprevalence study conducted April 28May 3 in two high-incidence counties in metropolitan Atlanta (n=394 households and 696 people) found an estimated seroprevalence of 3% overall, and 5% among non-Hispanic Black participants. Of those seropositive, 50% reported illness or symptoms consistent with COVID-19, of whom 28% sought care and 16% were tested, demonstrating that many infections would not have been identified through case-based or syndromic surveillance. 

Biggs et al. (July 21, 2020). Estimated Community Seroprevalence of SARS-CoV-2 Antibodies — Two Georgia Counties, April 28–May 3, 2020. MMWR. https://doi.org/10.15585/mmwr.mm6929e2