Corona virus quickly spread around the world start..

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Corona virus quickly spread around the world starting late last year, new genetic analysis shows

https://edition.cnn.com/2020/05/05/health/genetics-coronavirus-spread-study/index.html

Coronavirus spread around the world fast, new genetics analysis shows - CNN

edition.cnn.com

Coronavirus spread around the world fast, new genetics analysis shows - CNN

The Covid-19 coronavorus has been spreading in people since late last year, a new genetic analysis shows.