Pfizer has shared that its first two vaccines do not hold up well against the emerging omicron variant. However, the third shot, the booster, provides 25 times the protection against omicron.» Subscribe to NBC News: [ Ссылка ]
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#Pfizer #Booster #vaccines #omicron
Pfizer Study Shows Booster Shot Protects Against Covid-19 Omicron Variant
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