Pfizer-BioNTech Vaccine Shows Promise Neutralizing Variants

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More good news on the COVID-19 front emerged on Tuesday, with researchers finding that Pfizer (PFE) - Get Report and BioNTech’s (BNTX) - Get Report COVID-19 vaccine has shown a high ability to neutralize coronavirus strains first detected in Brazil, the U.K. and South Africa.

A letter to the New England Journal of Medicine detailed lab experiments that showed the Pfizer-BioNTech shot demonstrated “roughly equivalent” levels of neutralizing activity against the Brazil and U.K. strains compared with a version of the virus from early last year. 

It also showed “robust but lower” activity against the South Africa variant.

While the research needs to be validated with real-world data, it offers another reason for optimism that the COVID vaccines are generally performing well against variants of the virus. 

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