Shares of prominent vaccine makers plunged Thursday after President-elect Donald Trump announced his pick of Robert F.

RFK Jr. has developed a reputation as a vaccine skeptic and pushed conspiracy theories including one linking vaccines to ...

President-elect Donald Trump said he is tapping Robert F. Kennedy Jr., to run the Department of Health and Human Services, a ...

If confirmed to the role, Robert F. Kennedy Jr. would oversee the country's top health agencies, including the Food and Drug ...

An FDA-approved vaccine for smallpox and mpox is effective but causes side effects. The other requires multiple doses. An experimental single-dose vaccine uses the horsepox virus to harness the ...

Yahoo Finance Market Reporter Josh Schafer analyzes today's three key market developments: First, stocks responded to Federal ...