The United States on Wednesday authorized the use of boosters of Pfizer's Covid-19 vaccine for people aged over 65, or adults at high-risk of severe disease as well as those in high-exposure jobs.
from NDTV News - Topstories https://ift.tt/3u4vtEW
from NDTV News - Topstories https://ift.tt/3u4vtEW
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