SARS-CoV-2 outbreaks in secondary school settings in the Netherlands during fall 2020; silent circulation.

ABSTRACT:

Background

In fall 2020 when schools in the Netherlands operated under a limited set of COVID-19 measures, we conducted outbreaks studies in four secondary schools to gain insight in the level of school transmission and the role of SARS-CoV-2 transmission via air and surfaces.

Methods

Outbreak studies were performed between 11 November and 15 December 2020 when the wild-type variant of SARS-CoV-2 was dominant. Clusters of SARS-CoV-2 infections within schools were identified through a prospective school surveillance study. All school contacts of cluster cases, irrespective of symptoms, were invited for PCR testing twice within 48 h and 4-7 days later. Combined NTS and saliva samples were collected at each time point along with data on recent exposure and symptoms. Surface and

SUBMITTER: Jonker L 

PROVIDER: S-EPMC9791966 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature