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theold

31-03-2022, 07:04 AM
The Food and Drug Administration says the decision is based on emerging evidence that an additional booster improves protection against severe Covid-19

An Israeli study shows that three doses of current generation mRNA vaccines have hit a ceiling in terms of the immune response generated

https://www.scmp.com/news/world/united-s...er-50s-ba2
SG Talk > SG Talk > Market Talk > US authorises fourth coronavirus shot for over 50s as BA.2 subvariant spreads