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Day: 2 April 2021

Pfizer/BioNTech COVID-19 Shot 91% Effective in Updated Data, Protective Against South African Variant

Pfizer/BioNTech COVID-19 Shot 91% Effective in Updated Data, Protective Against South African Variant

NEWS
  Pfizer Inc and BioNTech said on Thursday their vaccine is around 91% effective at preventing COVID-19, citing updated trial data that included participants inoculated for up to six months. The shot also showed early signs of preventing disease in a small subset of study volunteers in South Africa, where a concerning new variant called B.1.351 is circulating. Although lower than the stunning 95% efficacy result reported from its 44,000-person clinical trial in November, overall efficacy of 91.3% shows the vaccine to be a powerful tool against an evolving virus. The virus now has more transmissible forms and those that have been shown to evade antibody protection in lab studies and real-world clinical trials. ‚ÄúThese data reinforce our view that we have some really potent vac