We know they’re common and annoying, and in the immunocompromised or the unlucky, sometimes deadly. But three years after COVID-19 rocked the world, are we now learning viruses are more of a threat than we imagined? Do they all “go long”?
A single booster seems to prevent death and hospitalization in most people, but protection from the current vaccines wanes within months. FDA experts say they need to know more from the Centers for Disease Control and Prevention.
At a meeting to simplify the nation's covid vaccination policy, the FDA's panel of experts could agree on only one thing: Information is woefully lacking about how often different groups of Americans need to be vaccinated.