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US CDC reclassifies Delta COVID-19 strain ‘variant of concern’

washingtonnewsday.com
 2021-06-16

The US Centers for Disease Control and Prevention has reclassified the Delta strain of Covid-19 as a variant of concern, based on “mounting evidence” of it being more transmissible, the media reported. The CDC’s classifications define three classes of variants of COVID-19 — variants of interest, variants of concern, and...

washingtonnewsday.com

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