Manitoba COVID Seroprevalence Study [MCS-Study, study data contributed to the CITF Databank]

It also aimed to identify the risk factors categorized by age, gender, and region to determine the proportion of the population susceptible to COVID-19 and improve case fatality ratio estimates.

Methods

This repeat cross-sectional study analyzed blood samples from individuals whose specimens were collected for sexually transmitted and blood-borne infections and prenatal serological testing at the CPL. From 2020 to 2023, 200 samples from each age category (1-9, 10-19, 20-39, 40-59, and 60+) were analyzed from individuals across the six RHAs in Manitoba Contributed dataset contents: The dataset contains a total of 21,940 participants and all participants gave one serology sample between March 2020 and March 2023.

Variables include data in the following areas of information: age, sex, regional health authority (RHA), SARS-CoV-2 serology and vaccination. Dataset includes 572 participants with missing collection date. 16,609 participants (75%) have linked COVID-19 vaccination data, and 10,584 participants (64%) gave serology data after getting vaccinated (retrospective).