Pfizer says South African coronavirus variant could significantly reduce vaccine protection
February 18, 2021 published at 12:46 AMReuters Pfizer and BioNTech said they were doing similar lab work to understand whether their vaccine is effective against another variant first found in Brazil. Reuters CHICAGO - A laboratory study suggests that the South African variant of the coronavirus may reduce antibody protection from the Pfizer Inc/BioNTech SE vaccine by two-thirds, and it is not clear if the shot will be effective against the mutation, the companies said on Wednesday (Feb 17). The study found the vaccine was still able to neutralise the virus and there is not yet evidence fro...