Brazil variant of Covid-19 capable of re-infecting recovered Covid-19 patients
(World News Brazil)

BRAZIL (NYTIMES) - In just a matter of weeks, two variants of the coronavirus have become so familiar that you can hear their inscrutable alphanumeric names regularly uttered on television news. B117, first identified in Britain, has demonstrated the power to spread far and fast. In South Africa, a mutant called B.1.351 can dodge human antibodies, blunting the effectiveness of some vaccines. Scientists have also had their eye on a third worrying variant that arose in Brazil, called P1. Research had been slower on P1 since its discovery in late December, leaving scientists unsure of just how much to worry about it. `I`ve been holding my breath,` said Dr Bronwyn MacInnis, a public health...