Covid-19: New Delta descendant is rising in the UK. Here's what to know - CNN
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https://edition.cnn.com/2021/10/20/world/coronavirus-newsletter-intl-20-10-21/index.html?iid=cnn-mobile-app&adobe_mc=TS=1634739370|MCMID=91540827524503762324682288906117914816|MCAID=308C247CA697E8D8-4000082831A15B10|MCORGID=7FF852E2556756057F000101@AdobeOrg