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P.1 coronavirus variant the most transmissible among the current identified SARS-CoV-2 VOCs

America, Brazil, Coronavirus, Health, Infection, P.1, Science, Testing, Transmission

The new P.1 variant was found to be about 2.6 times more transmissible (95% Confidence Interval (CI): 2.4–2.8) than previous circulating variant(s). The city already had a high prevalence of individuals previously affected by the SARS-CoV-2 virus (estimated as 78%, CI:73–83%), and the fitted model attributed 28% of the cases during the period to reinfections by the variant P.1. Our estimates rank P.1 as the most transmissible among the current identified SARS-CoV-2 VOCs, posing a serious threat and requiring urgent measures to control its global spread.

MedrXiv preprint

 

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