COVID-19 antibody seroprevalence in Santa Clara County, California

ConclusionThe estimated prevalence of SARS-CoV-2 antibodies in Santa Clara County implies that COVID-19 was likely more widespread than indicated by the number of cases in late March, 2020. At the time, low-burden contexts such as Santa Clara County were far from herd-immunity thresholds.
Source: International Journal of Epidemiology - Category: Epidemiology Source Type: research