Vaccination

Pfizer asks US to allow 4th COVID vaccine dose for seniors

Pfizer and its partner BioNTech asked U.S. regulators Tuesday to authorize an additional booster dose of their COVID-19 vaccine for seniors, saying data from Israel suggests older adults would benefit.

Vaccination

Homologous Pfizer-BioNTech booster safe for adolescents

For adolescents aged 12 to 17 years, reactions to homologous Pfizer-BioNTech booster vaccination occur with similar frequency as after receipt of the second vaccine dose, and they are generally mild to moderate in severity, ...

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