The Food and Drug Administration blocked the publication of studies that tracked the safety of the COVID-19 and shingles vaccines, an official told ABC News.
The move could alter guidance for doctors as well as some insurance coverage.
Five years after the WHO declared COVID to be a pandemic, questions remain including how many people have died.
It's been five years since the World Health Organization declared COVID-19 to be a pandemic.
RFK Jr., who's nominated to become the next health secretary, asked the federal government to revoke its authorization of all COVID-19 vaccines in May 2021, just as vaccinated Americans began returning to a sense of normalcy after pandemic lockdowns.
The U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is what you need to know.