Excited to share that updated analysis from our Phase 3 study with BioNTech also showed that our COVID-19 vaccine was 100% effective in preventing #COVID19 cases in South Africa. 100%! pfizer.com/news/press-releas…

Apr 1, 2021 · 1:46 PM UTC

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800 participants enrolled in South Africa with 0 cases of #COVID19 observed in the vaccinated group. Of the cases observed the majority were confirmed to be of the B.1.351 lineage, the prevalent strain in South Africa.
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These data support previous results from immunogenicity studies demonstrating a robust neutralizing antibody response to the B.1.351 variant.
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The Pfizer-BioNTech COVID-19 vaccine has not been approved or licensed by the U.S. FDA but has been authorized for emergency use to prevent COVID-19 in individuals 16+. See conditions of use: cvdvaccine.com
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Replying to @AlbertBourla
There is no '100%' in nature, buddy...
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Replying to @AlbertBourla
Excellent, and P1 variant from Brazil?
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With that works if i dont remember well
Replying to @AlbertBourla
Thank you so much for the great news! Are there any results of the Immunological memory among the participants of phase 1, ended at June 2020?
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I'm betting it's 105% by now.
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Replying to @AlbertBourla
THANK YOU! Just got my second Pfizer! I’m no longer afraid! ❤️
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This Tweet was deleted by the Tweet author.
Sincere, friendly advice: Insist on N95 masking. Against Omicron: consider Sinovac, not just mRNA vaccine tech.
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