Variation in SARS-CoV-2 seroprevalence across districts, schools and classes: baseline measurements from a cohort of primary and secondary school children in Switzerland
Objectives To determine the variation in SARS-CoV-2 seroprevalence in school children and the relationship with self-reported symptoms.Design Baseline measurements of a longitudinal cohort study (Ciao Corona) from June to July 2020.Setting 55 schools stratified by district in the canton of Zurich, S...
Main Authors: | , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMJ Publishing Group
2021-07-01
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Series: | BMJ Open |
Online Access: | https://bmjopen.bmj.com/content/11/7/e047483.full |