people aged 12 and older to receive a booster shot from Moderna Inc
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two months after their most recent treatment, and adults aged 18 and older to receive a shot from Pfizer Inc. and BioNTech SE.
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“we highly recommend everyone who is qualified to think about getting a booster dose with a bivalent Covid-19 vaccine”,FDA Commissioner Robert Califf said
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The authorities instructed the vaccine manufacturers to modify their doses in late June to target Omicron's BA.4 and BA.5 subvariants
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It is to improve defence against the elusive Omicron variant dominating in the U.S.
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Both vaccines use messenger RNA technology based on genes
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The ability of the technology to be plug-and-play was put to the test once again by the short turnaround time of a few months to create them.