FDA’s vaccines chief sees possibility of more Covid boosters — sooner than he’d like

(STAT News) Peter Marks, who leads the Food and Drug Administration’s vaccines operation, is still losing sleep over Covid. Yes, vaccines for all age groups have been authorized or approved. Yes, an updated vaccine is now available. And, yes, multiple products are in use and hundreds of millions of doses have been given in this country. But Marks said there are other issues that weigh on him.