The B117 COVID-19 variant, which was first identified in the United Kingdom in October 2020, may pose a 61% higher risk of 28-day mortality, according to a study published today in Nature. The finding is in line with last week’s BMJ study that reported B117 had a 64% higher 28-day risk of death among people older than 30, although both studies note absolute 28-day mortality risk remains low for most populations. “Crucially, our study is limited to individuals tested in the community,” the researchers write. “However, this restricted focus allows us to capture the combined effect of an altered risk of hospitalisation given a positive test and an altered risk of death given hospitalisation, while only the latter would be measurable in a study of hospitalised patients only.”

 

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