Alliance for Pandemic Preparedness

April 12, 2021

Seroprevalence of SARS-CoV-2 Following the Largest Initial Epidemic Wave in the United States: Findings from New York City, May 13-July 21, 2020

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  • In a serosurvey of 45,367 New York City adult residents, 23.6% were infected with SARS-CoV-2 during the first few months of the pandemic (May 13 – July 21, 2020). High seroprevalence (>30%) was observed among Black and Hispanic individuals, people from high poverty neighborhoods, and people in health care or essential worker industry sectors. Reporting a history of COVID-19 symptoms was associated with seropositivity (aRR = 2.76). Other risk factors included male sex, age 44-64 years, non-white race/ethnicity, working outside the home, contact with a COVID-19 case, obesity, and increasing numbers of household members.

Pathela et al. (Apr 9, 2021). Seroprevalence of SARS-CoV-2 Following the Largest Initial Epidemic Wave in the United States: Findings from New York City, May 13-July 21, 2020. The Journal of Infectious Diseases. https://doi.org/10.1093/infdis/jiab200