The US Food and Drug Administration’s recent authorization of a second COVID-19 vaccine booster dose in certain populations was a “stopgap measure” until plans are in place for a potentially new formulation ahead of an expected case surge next winter, Center for Biologics Evaluation and Research director Peter Marks said.
On 29 March, the FDA authorized a second booster of the Pfizer Inc./BioNTech SE and Moderna, Inc.'s...





