New Brazilian COVID-19 strain behind 42% cases in Manaus city

Researchers have said a variant of the novel coronavirus, which was found in Brazil, accounts for about half of new infections in Manaus city. Immunologist Ester Sabino's team gathered genomic data that indicated 42% of confirmed cases were infected by the new strain. "Everything points to this variant being behind the way the pandemic is evolving in Manaus," Sabino said.