Good news—6 months results—Pfizer vaccine remains more than 91% effective against disease with any symptoms for six months. And it appeared to be so far good against the worrying #B1351 variant from South Africa in limited data so far. Thread 🧵 #COVID19
cnn.com/2021/04/01/hea…
cnn.com/2021/04/01/hea…
2) "The vaccine was 100% effective against severe disease as defined by the U.S. Centers for Disease Control and Prevention (CDC), and 95.3% effective against severe COVID-19 as defined by the U.S. Food and Drug Administration (FDA)," Pfizer and BioNTech said”
3) "These data confirm the favorable efficacy and safety profile of our vaccine and position us to submit a Biologics License Application to the U.S. FDA," Albert Bourla, Pfizer's CEO, said in a statement. A BLA is an application for full approval—currently it has EUA.
4) “In South Africa, where the B.1.351 lineage is prevalent and 800 participants were enrolled, nine cases of COVID-19 were observed, all in the placebo group, indicating vaccine efficacy of ~100%”
My take — this is extremely early. I doubt it will stay like that. But hopeful.
My take — this is extremely early. I doubt it will stay like that. But hopeful.
5) "Vaccine safety has now been evaluated in more than 44,000 participants aged 16 years and older with more than 12,000 vaccinated participants having at least six months of follow-up after their second dose."
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