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Home » Pfizer/BioNTech Vaccine Is 94 Percent Effective at Preventing Asymptomatic COVID-19 Infection, Israel Says
Pfizer/BioNTech Vaccine Is 94 Percent Effective at Preventing Asymptomatic COVID-19 Infection, Israel Says
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March 15, 2021
Pfizer and BioNTech announced that their vaccine was 94 percent effective in preventing asymptomatic COVID-19 infection, based on real-world data from Israel, indicating it could greatly reduce transmission from person to person.
The new findings from Israel’s Ministry of Health also show that the vaccine is 97 percent effective in preventing symptomatic disease, severe disease and death — a real-world confirmation of the 95 percent efficacy demonstrated in the companies’ phase 3 study that supported regulatory approvals worldwide.
To date, Israel has vaccinated 71 percent of its population of 6.4 million, making it a useful, early source of real-world vaccine data.
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