Shares plunge after RFK Jr questions Novavax approach

14 April 2025

Shares in US biotech Novavax (Nasdaq: NVAX) fell more than 20% before the weekend, following remarks from health and human services secretary Robert F Kennedy Jr, who questioned the scientific basis of the company’s COVID-19 vaccine in a televised interview.

Novavax stock has since recovered some of the losses, with shares changing hands for around $5.90 on Monday morning.

The comments came as the US Food and Drug Administration missed its decision deadline for the full approval of Novavax’s updated COVID-19 shot, NVX-CoV2705. The protein-based vaccine has been available under emergency-use authorization since late 2022 and is positioned as an alternative to mRNA-based options.

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