Q asked us a while back why children seem to be immune to covid?
Is this the answer?
Most kids have had the MMR vaccine and reports are now showing this helps protect against the virus.
Sauce:
https://www.dailymail.co.uk/sciencetech/article-8439609/MMR-jab-used-prevent-measles-mumps-rubella-help-protect-against-COVID-19.html