These days, most people are vaccinated against measles, a highly contagious, life-threatening respiratory virus, when they ...

With two confirmed measles cases in Travis County and a large outbreak in West Texas, do you need a measles booster? Here's ...

That’s double the number of cases reported compared to the same time last year, signaling another tough year ahead with ...

The plans amount to an extraordinary flex of Robert F. Kennedy Jr.’s power as health secretary to make decisions ordinarily ...

Same-arm booster shots trigger a stronger early immune response than shots given in the opposite arm, leading to higher ...

When it comes to getting the most out of a vaccine, arm consistency can make a difference. Some studies suggest that getting ...

New recommendations suggest certain adults may need additional protection as measles outbreaks continue to spread nationwide.

The head of the Food and Drug Administration said Tuesday that the agency is now looking at whether it will still approve COVID-19 vaccines for next winter, citing a lack of data on booster shots.

Health and Human Services Secretary Robert F. Kennedy Jr. Is changing the way vaccines are tested and will now require all ...

The U.S. Department of Health and Human services says it will require all new vaccines to be tested in placebo-controlled ...

Receiving a COVID-19 booster vaccine in the same arm as the first vaccine dose leads to a faster, more effective immune ...

With two confirmed measles cases in Travis County and a large outbreak in West Texas, adults might be wondering whether they need to get a booster shot to protect against the highly contagious ...