Coronavirus US: Third homegrown variant may have originated in MAY

14 janvier 2021 Non Par ADMIN

According to an article published on the website dailymail.co.uk on 14 janvier 2021 by ,

Researchers from from Southern Illinois University Carbondale say the earliest appearance of new variant, called 20C-U, was in Texas in May 2020 and is most highly prevalent in the Upper Midwest.

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