Dr. Peter Marks, the top vaccine official at the Food and Drug Administration, wrote in a letter on Friday that he was resigning from his position and criticized Health and Human Services Secretary Robert F. Kennedy Jr., who has questioned the effectiveness of vaccines for years and promoted debunked claims that certain vaccines are linked to autism.

A large study into the potential connections between vaccines and autism is reportedly being planned by the U.S. Centers for Disease Control and Prevention, according to reports Friday.

It's not clear if Health and Human Services Secretary Robert F. Kennedy Jr. is involved in the study or how the plans would be implemented.

The CDC and Kennedy's department have not commented about the reporting, released by Reuters, which quoted two sources said to be familiar with the matter.

President Donald Trump, in his address to Congress Tuesday...

The Centers for Disease Control and Prevention (CDC) is moving forward with a study examining potential connections between vaccines and autism, according to multiple reports.

Newsweek reached out to the CDC and the Department of Health and Human Services for comment on Friday.

The announcement has raised questions, given the extensive scientific research that has consistently found no link between vaccines and autism. Yet, despite overwhelming evidence debunking the claim, skepticism persists, fueled in part by HHS Secretary Robert F. Kennedy Jr...

Decades of scientific evidence haven’t found a link between autism and vaccines, but that doesn’t appear to stop the U.S. Centers for Disease Control and Prevention from reportedly planning to study the issue.

The Food and Drug Administration's (FDA) upcoming Vaccine and Related Biological Products Advisory Committee meeting on March 13 was abruptly canceled via email on Wednesday. The committee was to consider the selection of strains to be included in the influenza virus vaccines for the 2025–2026 flu season. This is the second vaccine-related advisory meeting canceled since Robert F. Kennedy, Jr. took over at the Department of Health and Human Services (HHS).

Thousands of people say they've developed tinnitus after they were vaccinated against Covid. While there is no proof yet that the vaccines caused the condition, theories for a possible link have surfaced among researchers.

Shaowen Bao, an associate professor in the physiology department of the College of Medicine at the University of Arizona, Tucson, believes that ongoing inflammation, especially in the brain or spinal cord, may be to blame.