Seropositivity of SARS-CoV-2 in an unvaccinated cohort in British Columbia, Canada: a cross-sectional survey with dried blood spot samples.
C Sarai RaceyAmy BoothArianne AlbertLaurie W SmithMel KrajdenMelanie C M MurrayHélène C F CôtéAnna GottschlichDavid M GoldfarbManish SadaranganiLiisa A M GaleaAngela KaidaLori A BrottoGina Suzanne OgilviePublished in: BMJ open (2022)
SARS-CoV-2 seropositivity in the BC population due to infection-acquired immunity was low. Seropositivity indicated that among those unvaccinated, visible minority communities have been most impacted. Continued monitoring of SARS-CoV-2 serology due to both infection-acquired and vaccine-acquired immunity will be vital in public health planning and pandemic response.