Pfizer and BioNTech said Monday their COVID-19 vaccine remained 100 percent effective in children 12 to 15 years old, four months after the second dose.
from NDTV News - World-news https://ift.tt/32jdReA
from NDTV News - World-news https://ift.tt/32jdReA
Pfizer Vaccine 100% Effective In Adolescents After 4 Months, Says Company
![Pfizer Vaccine 100% Effective In Adolescents After 4 Months, Says Company]()
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November 23, 2021
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