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A comment on Covid-19 twice as contagious as previously thought – CDC study. Parent comment
The authors of this study are almost certainly not the only ones who "knew" it was twice as infectious based only on the data available back in early February, before anyone outside of China was testing at all.
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The authors of this study are almost certainly not the only ones who "knew" it was twice as infectious based only on the data available back in early February, before anyone outside of China was testing at all.