British officials warned Friday that a highly transmissible coronavirus variant first identified in the U.K. may be more lethal than previous versions of the disease. Out of 1,000 60-year-olds with the new variant, some 13 to 14 would be expected to die compared with around 10 deaths per 1000 with the old variant.
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New U.K. COVID-19 variant could be more deadly, British officials say