NEW YORK, N.Y. — Pfizer announced Wednesday that data shows a third dose of its COVID-19 vaccine can “strongly” boost protection against the highly transmissible delta variant. The pharmaceutical and ...
A three-dose regimen of the Pfizer-BioNTech COVID-19 vaccine produces a strong immune response in kids under five, the company says. Pfizer on Monday said a trial examining a third dose of its vaccine ...
Pfizer vaccine fails to provide expected immunity for kids ages 2-5 in trials; Extra dose now tested
Vaccine maker Pfizer said Friday that trials of its vaccine in children ages 2 to 5 show that it did not provide the expected immunity in kids this age, and it is adding a third dose to the regimen.
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