The US Food and Drug Administration (FDA) announced on Wednesday that it had authorized the two bivalent booster vaccines against Covid-19 developed by Moderna on the one hand and Pfizer-BioNTech on the other.
In a press release, the health agency indicates that it has approved the use of the two vaccines in booster doses within a period of at least two months following the previous administration of the vaccine.
These bivalent vaccines contain messenger ribonuclic acid (mRNA) that targets two variants of the coronavirus, the original SARS-CoV-2 virus, as well as the Omicron variant.
The Moderna vaccine was authorized from the age of 18 and that of Pfizer-BioNTech in individuals aged at least 12 years.
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