Fig. 2
From: Factors associated with SARS-CoV-2 infection in unvaccinated children and young adults
SARS-CoV-2 anti-S IgG seroprevalence by date amongst children and youth in BC, November 2020-May 2022. SARS-CoV-2 seroprevalence for unvaccinated children and youth in British Columbia, Canada by date of sample between November 2020 and May 2022. Those under age 25 were included from November 2020-May 2021; data from June 2021 and onward representative of children aged under ten. Aggregated seroprevalence calculated from all samples collected in the calendar month