Many countries have managed to bring infection numbers down to low levels through hygiene measures (distance, masks), teleworking, testing, contact tracking, no large gatherings, lockdowns, etc. “The chains of infection are being thwarted. There is some leeway to e.g. to keep schools open. “
But this leeway has just become considerably smaller (due to the new virus variant, note): “If the estimates are roughly correct, it is probably not possible to keep the schools open. Or, to take the Swiss cheese model: We can afford us fewer holes in the cheese. “
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