What was the global SARS-CoV-2 seroprevalence from January 2020 to April 2022? WHO SARSCoV2 COVID19 Seroprevalence
By Bhavana KunkalikarNov 14 2022Reviewed by Aimee Molineux In a recent study published in PLoS Medicine, researchers assessed severe acute respiratory syndrome coronavirus 2 seroprevalence worldwide between January 2020 and April 2022.
About the study In the present study, researchers determined the level of population infection and seropositivity by meta-analyzing SARS-CoV-2 seroprevalence data for the general population. Inclusion criteria included home-based and community samples, as well as studies where a strong sampling frame was specified that approximated a larger population. In addition, the study cohort included people living in slum homes and patient groups in humanitarian circumstances. Using established formulae for parallel and serial testing, multi-assay testing algorithms were implemented if the aggregate specificity and sensitivity matched the performance criteria.
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