US authorises second COVID-19 booster for Americans 50 and older - CNA

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

WASHINGTON: US health officials on Tuesday (Mar 29) authorised a second COVID-19 booster dose of the two most commonly used COVID-19 vaccines for people age 50 and older, citing data showing waning immunity and the risks posed by Omicron variants of the virus…

WASHINGTON: US health officials on Tuesday (Mar 29) authorised a second COVID-19 booster dose of the two most commonly used COVID-19 vaccines for people age 50 and older, citing data showing waning i… [+3712 chars]

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