Swab testing in 80 secondary schools found prevalence was lower shortly after they reopened following the third national lockdown than it was during the autumn term.
Experts said parents could be reassured that the risk of transmission was low but measures to reduce the spread are still crucial.
The survey was carried out by the Office for National Statistics (ONS), Public Health England (PHE) and the London School of Hygiene & Tropical Medicine (LSHTM). They tested more than 7,000 secondary school pupils and 2,700 staff in 14 local authorities.
This story is from the May 05, 2021 edition of Daily Express.
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This story is from the May 05, 2021 edition of Daily Express.
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