Yet another dangerous mutation turned up in Brazil, called P.1. A forty-five-year-old healthcare worker in the northeastern part of the country, who had no comorbidities, got Covid in May 2020. She was sick for a week with diarrhea, headaches, and exhaustion, but she fully recovered. Then, in October, 153 days later, she fell ill again with Covid-19, and this time the disease was more severe. “This made the hair on my neck stand up,” Brooks said. Like the South African variant, the Brazilian one had the mutation that makes it more infectious, as well as the Eek mutation, which raised the
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