Point prevalence of SARS-CoV-2 infection in Sweden at six time points during 2020.

ABSTRACT:

Background

In order to estimate the prevalence and understand the spread of SARS-CoV-2 in Sweden, the Public Health Agency of Sweden, with support from the Swedish Armed Forces, conducted a series of point prevalence surveys between March and December 2020.

Methods

Sampling material and instructions on how to perform self-sampling of the upper respiratory tract were delivered to the homes of the participants. Samples were analysed by real-time PCR, and the participants completed questionnaires regarding symptoms.

Findings

The first survey in the Stockholm region in March 2020 included 707 participants and showed a SARS-CoV-2 prevalence of 2.5%. The following five surveys, performed on a national level, with between 2461 and 2983 participants, showed SARS-CoV-2 prevale

SUBMITTER: Groenheit R 

PROVIDER: S-EPMC9672540 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature