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97,000 school-age children tested positive for COVID-19 in late July — most had no or mild symptoms

Pictures of packed school hallways in Georgia and news of positive tests on the first day of classes in Indiana ...
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Who are COVID-19 ‘super spreaders’ and how do they transmit the virus so widely

Carl Zimmer | 
Growing evidence shows most infected people aren’t spreading the virus. But whether you become a superspreader probably depends more on ...
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