US Secretary of Health Robert F. Kennedy Jr. halted a major $460 million COVID-19 vaccine pill project and the FDA canceled a ...

The number of people with measles in Texas increased to 146 in an outbreak that led this week to the death of an unvaccinated ...

More states are loosening vaccine mandates, scaling back vaccine promotion efforts and taking other steps likely to lower vaccination rates — even as a major measles outbreak spreads in Texas.

"It seems weird to come down with the virus as we approach the fifth anniversary of the global pandemic," Susan Hazlett writes.

Evidence is stacking up that vaping, once thought to be less harmful than smoking cigarettes, causes lung damage—and can be ...

The Bay Area and U.S. are continuing to contend with the worst flu seasons in the last 15 years. To date, the Centers for Disease Control and Prevention says there have been 370,000 hospitalizations ...

Indiana's low measles vaccination rates among kindergarten students raises concerns as the first U.S. measles death in a decade is reported.

The U.S. registered its first death from measles since 2015 this week, as a child who wasn’t vaccinated died in a measles ...

Few Minnesotans sought COVID-19 vaccine to reduce their infection risks this winter, but at least the shots offered some protection for those who did. The current vaccine was 33% effective at ...

The FDA's Vaccines and Related Biological Products Advisory Committee was scheduled for next month. But the agency notified committee members that the meeting had been canceled.

The Biden administration used a $900 million PR campaign to influence how Americans responded to the administration’s COVID-19 policies.