FDA authorises second booster of Pfizer-BioNTech COVID-19 shot - CNA

3/29/2022 12:00:00 AM3 years 1 month ago

US regulators authorised a second booster dose of the Pfizer-BioNTech COVID-19 vaccine for people aged 50 and older due to concerns about waning immunity in the age group, the drugmakers said on Tuesday (Mar 29). The US Food and Drug Administration (FDA) a…

US regulators authorised a second booster dose of the Pfizer-BioNTech COVID-19 vaccine for people aged 50 and older due to concerns about waning immunity in the age group, the drugmakers said on Tues… [+2078 chars]

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