This is the cognitive dissonance. There is no other environment in which individuals have such prolongued, face to face, non-distanced, poorly ventilated contact with so many. Children may not be hospitalised, but we do not understand full implications of even mild infection. https://twitter.com/Thefirstmadel/status/1344373483699118087

I don't have stats to do sums, no-one does yet with the new variant. But if, as OP estimates, they are in a 500 person bubble, as opposed to say 10-20 for someone at work but being careful. Say 1 person in that big bubble is infected. Now listen to this

That's a UK government video in case any covid deniers are souping around my timeline

This is a good thread - it is not a question of whether schools are highest risk, or doubting impact of closures. We have closed multiple infection routes and rates are still rising, so schools rise toward the top of our risk list. https://twitter.com/apsmunro/status/1345711455220412418?s=20