Repeated Covid boosters not viable strategy against new variants, WHO experts warn
The Guardian -

Experts urge development of new vaccines that protect against transmission of the virus in the first placeCoronavirus – latest updatesSee all our coronavirus coverageWorld Health Organization experts have warned that repeating booster doses of the original Covid vaccines is not a viable strategy against emerging variants and called for new jabs that better protect against transmission.

“A vaccination strategy based on repeated booster doses of the original vaccine composition is unlikely to be...

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