Novavax on Wednesday received Food and Drug Administration authorization for a booster dose of its COVID-19 vaccine. Yet unlike the bivalent mRNA vaccines currently on the market, Novavax’s booster ...

Moderna is urging the US Food and Drug Administration to authorize a half-size booster of its Covid-19 vaccine, according to a briefing document posted Tuesday, ahead of a key meeting of the agency's ...

As we move into spring season, immunity gained through earlier COVID-19 vaccination can start to drop. The virus, although no longer causing widespread lockdowns, is still a significant health hazard, ...

Pfizer and BioNTech said Monday they have submitted initial data to the US Food and Drug Administration to support the use of a booster dose of Covid-19 vaccine. Pfizer and BioNTech said Monday they ...

Johnson & Johnson said Tuesday that a booster of its one-shot coronavirus vaccine provides a stronger immune response months after people receive a first dose. J&J said in statement that an extra dose ...