FDA authorizes Novavax COVID-19 vaccine for first booster dose

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 only targets the original strain of the virus, rather than the original strain and the omicron BA.4/BA.5 subvariants.The company is studying an omicron-specific vaccine, but executives have said they think the current vaccine provides durable protection across different variants of the virus.Last week,