Health and Human Services Secretary Robert F. Kennedy Jr. — a prominent vaccine skeptic — is now urging Americans to get vaccinated for measles as outbreaks have been reported in several states.

In the last year, several cases of measles have been identified in the Philadelphia region; last winter, a measles outbreak ...

President Donald Trump’s senior aides and allies are lashing out at Ukrainian leader Volodymyr Zelenskyy from Washington.

Measles had been largely eliminated entirely in the United States as of around 2000 thanks to vaccination and its consequent ...

Health and Human Services Secretary Robert F. Kennedy Jr., long known for his skepticism toward vaccines, expressed support ...

Kennedy wrote in an opinion piece published Sunday on Fox News Digital that parents should consult with physicians about the ...

Vaccination provides long-lasting 97% protection against measles infection. Most people who have been vaccinated do not need ...

The unvaccinated child visited the Children's Hospital of Philadelphia's King of Prussia campus emergency room on Feb. 26, ...

Robert F. Kennedy Jr.'s call for the option to vaccinate against measles, amid an outbreak in Texas, has sparked anger from anti-vax activists, with one saying he is "no different than Fauci." ...

As bird flu, also known as H5N1, spreads across the country, experts are concerned about the potential for undetected transfer and mutations.

There have been 146 confirmed cases of measles in Texas's South Plains region since January. One death of a child was reported from measles.

As STAT’s Helen Branswell writes, mRNA vaccines are the fastest to make and the easiest to mass produce.