Some advisers said on Tuesday that they were unsure about recommending the new Covid vaccines to younger adults, or had misgivings about potential side effects, especially in children and young males.

Others worried that endorsing the vaccines for all Americans might undermine messaging about the greater need among those at highest risk from Covid, including older adults.

But the committee ultimately voted to endorse the new vaccines for everyone, citing data presented at the meeting showing short- and long-term risks of Covid at any age.

“It’s clear that vaccination is going to prevent serious illness and death across all age groups,” said Dr. Beth Bell, a professor of global health at the University of Washington.

Even among the relatively young and healthy, Covid poses serious health risks, including long-term effects on the heart and other organs that can emerge and re-emerge months to years after the initial illness, Sharon Saydah, a C.D.C.

Officials in Britain are offering the new Covid vaccines only to those at high risk, including older adults, those with chronic medical conditions and frontline workers.

The original article contains 1,099 words, the summary contains 178 words. Saved 84%. I'm a bot and I'm open source!