The Trump administration's vaccine advisers have brought up an old flu-shot debate: Whether it's time to wipe out the last small fraction of those vaccines that contain a controversial preservative.

More U.S. children have died this flu season than at any time since the swine flu pandemic 15 years ago.

Health Secretary Robert F.

The Trump administration is canceling studies about ways to improve vaccine trust and access.

Federal health officials are trying to tell if this year's harsh flu season led to an increase in a rare but dangerous brain complication in children.

The man who hopes to be President Donald Trump’s health secretary said he needed to see data showing vaccines are safe, but when an influential Republican senator did so, he dismissed it.