Here’s how COVID-19 vaccine guidance is changing in the U.S. For people at high risk of severe COVID-19. The process of reviewing and recommending yearly updates to the COVID-19

Health experts say there are legitimate questions about how much everyone still benefits from yearly COVID vaccination or whether they should be recommended only for people at increased risk.

"Again, I don't want to give advice," Kennedy said. "I can tell you, in Europe, they don't use the chickenpox vaccine specifically because the preclinical trial shows that when you inoculate the population for chickenpox, you get shingles in older people, which is more dangerous."

On May 20, U.S. Food and Drug Administration (FDA) officials announced that Covid-19 vaccines will no longer be available to everyone. Instead, annual boosters will be limited to people ages 65 and older, and those with certain medical conditions that put them at high risk for severe infection.

Moderna said on Wednesday it has withdrawn an application seeking approval for its flu and COVID combination vaccine candidate after discussions with the U.S. Food and Drug Administration.

This vaccine did previously have emergency approval by the FDA for use but can now be marketed in the U.S. for use, the letter said.

The FDA announced a policy shift for COVID-19 vaccine approvals to focus on Americans considered high-risk of contracting the virus, and those older than age 65.

Amid a growing distrust of vaccines and the medical community, there’s also been a growing divide in the Make America Healthy Again initiative.