Pfizer, Moderna boosters up to 90% effective against Omicron: CDC
Pfizer, Moderna boosters up to 90% effective against Omicron: CDC
Briefly

Three US studies offer more evidence that third dose of COVID vaccine is highly effective against Omicron.

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Pfizer, Moderna boosters up to 90% effective against Omicron: CDCPfizer, Moderna boosters up to 90% effective against Omicron: CDC Briefly