COVID-19 — Japan
– This genomic analysis of 34 412 SARS-CoV2 sequences deposited in the GISAID database found 2 dominant subclades of the virus co-circulating in Europe and the United States derived from the Wuhan HU-1 strain isolated in China in December 2019.
– The dominant subclades were significantly associated with some of the high cumulative CFR [case fatality rate] regions in Western Europe, the United States, and in California, even after controlling for differences in the initiation of social
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