Covid-19: Second mRNA booster more effective against new Omicron variants, says US CDC - DNA India

With the second vaccine, effectiveness against BA.1 and BA.2/BA.2.12.1 variants climbed to 80 per cent within the first six months, according CDC.

A second booster shot significantly improved effectiveness against widespread variants Omicron BA.1 and BA.2/BA.2.12.1, finds a study led by the US Centers for Disease Control and Prevention (CDC). … [+1735 chars]

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