Anti-SARS-CoV-2 seroprevalence in King County, WA-Cross-sectional survey, August 2020.

ABSTRACT: We conducted a seroprevalence survey to estimate the true number of infections with SARS-CoV-2, the virus that causes COVID-19, in King County as of August 2020 by measuring the proportion of residents from who had antibodies against the virus. Participants from 727 households took part in a cross-sectional address-based household survey with random and non-random samples and provided dried blood spots that were tested for total antibody against the viral nucleocapsid protein, with confirmatory testing for immunoglobulin G against the spike protein. The data were weighted to match King County's population based on sex, age group, income, race, and Hispanic status. After weighting and accounting for the accuracy of the tests, our best overall estimate of anti-SARS-CoV-2 seroprevalence in Ki

SUBMITTER: Cowgill KD 

PROVIDER: S-EPMC9394797 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature