Where does COVID-19 come from? – USA TODAY

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1. Where does COVID-19 come from?USA TODAY
2. New coronavirus variants could cause more re-infections, require updated vaccinesScientific magazine
3. Andrew Hayward: We have entered a dangerous new phase of the pandemic – The BMJBMJ
4. The coronavirus is evolving before our eyesAtlantic
5. Intimate associations between SARS-CoV-2 and mitochondria suggest new angles of attackPhys.org
6. See full coverage on Google News