Pennsylvania has become the first state to record fatalities linked to measles this year after two unvaccinated individuals ...

The share of U.S. kindergartners without both MMR doses has risen from 4.8 to 7.6 percent since 2019, and the shortfall is ...

KANSAS CITY, Mo. (KCTV) - Missouri’s childhood vaccination rates are dipping below herd immunity levels and an executive order from the president could lead to a larger decline. President Donald Trump ...

These following Letters to the Editor were submitted to The Palm Beach Post Opinion Page. The Palm Beach Post wants to hear your opinion − conservative, liberal and all points b ...

President Donald Trump and his Health Secretary Robert F. Kennedy Jr. have long tried to reduce the number of vaccinations available to the American public and even farm animals. The latest move in ...

Nearly 880 Pennsylvania kindergartens are reporting measles immunization rates of lower than 95%, the level generally required to prevent the highly infectious disease from circulating in a community, ...

You’ve probably heard it before: Europeans brought smallpox to the Americas, devastating Indigenous populations. It was never really a point of serious historical debate. There was plenty of evidence ...

Historians have long suspected European colonists brought the smallpox-causing Orthopoxvirus variola virus to the Americas, where it decimated Indigenous populations. Now, scientists say they have ...

Scientists Working in Modern Medical Research Laboratory. Scientist Analysing Biochemicals Samples. Advanced Scientific Lab for Medicine, Microbiology Development. (Image: PixeloneStocker via Getty ...

More than 400 years ago, two people living in modern-day Chile died while infected with the smallpox virus. Viral DNA found in their mummified remains has now yielded genetic evidence of when the ...