Seroprevalence of SARS-CoV-2 antibodies in Saint Petersburg, Russia: a population-based study

Institute for Interdisciplinary Health Research (IIHR)
Project start date:

This project aims to estimate the seroprevalence of SARS-CoV-2 antibodies in Saint Petersburg, Russia. We have already conducted 5 rounds of serological survey. According to data collected in October 2021, 83% of St. Petersburg residents have SARS-CoV-2 antibodies.

Project News

83% of petersburgers have coronavirus antibodies

According to the results of the new stage of a serological survey, more than 80% of adults in St. Petersburg have antibodies to SARS-CoV-2. Repeat infections (confirmed by PCR tests) are relatively rare events-under 3%. In order for the active phase of the epidemic to end, as many citizens as possible must have immune protection.

Публикации проекта

Evaluation of the performance of SARS-­CoV­-2 antibody assays for a longitudinal population­based study of COVID-­19 spread in St. Petersburg, Russia

This study summarizes an evaluation of antibody tests used in a serological study of SARS-­CoV­-2 in Saint Petersburg, Russia. Researches validated three different antibody assays: chemiluminescent microparticle immunoassay (CMIA) Abbott Architect SARS-­CoV­-2 immunoglobulin G (IgG), enzyme­ linked immunosorbent assay (ELISA) CoronaPass total antibodies test, and ELISA SARS­-CoV-­2-­IgG-­EIA-­BEST.