• Pfizer's Covid-19 vaccine was 100% effective in kids in longer-term study

    8 days ago - By STAT

    Pfizer and BioNTech announced Monday that their Covid-19 vaccine was 100% efficacious in preventing infections in 12 to 15 year olds, measured from seven days to four months after administration of the second dose of the vaccine.
    The companies said the new data - a longer-term analysis of a Phase 3 trial conducted in 2,228 participants - will form the basis of an application to the Food and Drug Administration for an extension of their Covid-19 vaccine licence to cover youths in the age group.
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