British Prime Minister Boris Johnson said that the B.1.1.7 variant of COVID-19 which was said to be 50% to 70% more contagious, has now been discovered to also be 30% deadlier. The CDC warns it could become the dominant strain in the US by March.

British Prime Minister Boris Johnson announced today that the variant of coronavirus disease 2019 (COVID-19) that emerged in the United Kingdom, and which experts said could be 50% to 70% more contagious than traditional COVID is also 30% deadlier, according to news outlets such as the Washington Post.

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