Contagious Brazil Covid-19 variant evades immunity, scientists warn

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A highly transmissible Covid-19 variant that emerged in Brazil and has now been found in at least 20 countries can re-infect people who previously recovered from the disease, scientists said on Tuesday.

The scientists estimated that P.1 was 1.4 to 2.2 times more transmissible than the initial form of the virus.A highly transmissible Covid-19 variant that emerged in Brazil and has now been found in at least 20 countries can reinfect people who previously recovered from the disease, scientists said on Tuesday.

Out of 100 people in Manaus who had previously recovered from infection with the coronavirus, “somewhere between 25 and 61 of them are susceptible to reinfection with P. 1,” said Nuno Faria, a virus expert at Imperial College London, who co-led the research which has not yet been peer reviewed. Speaking to journalists about the findings, Nuno said it was too early to say whether the variant's ability to evade immunity from previous infections meant that vaccines also would offer reduced protection against it.

Scientists around the world are on guard against new mutated forms of the coronavirus that could spread more easily, or be harder to fend off with existing vaccines.

 

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