Many thanks TBM for the schools article and Malcolm for the explanation - all very interesting with one very frightening line:

Originally Posted by Aeromax51
This means that as the fantastically successful vaccination programme in the UK reaches its conclusion any spread of infection from asymptomatic children will be into vaccinated adults where the major selective pressure on the virus will be for virus variants able to escape the immunity induced by the vaccines in the current vaccines.


Paul
Costock, UK
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