(NBC)- Pfizer and BioNTech are testing a third dose of their Covid-19 vaccine in an ongoing trial of children ages 6 months to under 5 years after the companies found that the two-dose regimen didn’t generate a strong enough immune ...
NEW YORK CITY (NBC) – Pfizer-BioNTech submitted data to the Food and Drug Administration Tuesday to get its COVID-19 vaccine approved for use in kids ages 5 to 11. The FDA is expected to take several weeks to analyze data ...