Ontology highlight
ABSTRACT: Importance
People who have been infected with or vaccinated against SARS-CoV-2 have reduced risk of subsequent infection, but the proportion of people in the US with SARS-CoV-2 antibodies from infection or vaccination is uncertain.Objective
To estimate trends in SARS-CoV-2 seroprevalence related to infection and vaccination in the US population.Design, setting, and participants
In a repeated cross-sectional study conducted each month during July 2020 through May 2021, 17 blood collection organizations with blood donations from all 50 US states; Washington, DC; and Puerto Rico were organized into 66 study-specific regions, representing a catchment of 74% of the US population. For each study region, specimens from a median of approximately 2000 blood donors were selec
SUBMITTER: Jones JM
PROVIDER: S-EPMC8414359 | biostudies-literature | 2021 Oct
REPOSITORIES: biostudies-literature