More cases have been reported this year than in all of 1992, when the country had its last big outbreak.
A woman tends to her daughter, age six, who is about to receive a measles vaccine shot at a health clinic on May 15th, 2019, in Kiev, Ukraine.
Health officials have tried many different strategies, but the science is still in its early days.
The city's health department will begin imposing fines for unvaccinated people living in the neighborhood of Williamsburg.
Public-health experts say the measure is unusual, but necessary.
While anti-vaccine propaganda continues to spread online, experts and teens are talking about how to fight it.
Legislation made the anti-vaccine movement possible—and as the example of West Virginia shows, it can also help fight it.
The state would be the fourth to ban non-medical vaccine exemptions, a policy change lauded as one of the surest ways to avoid an outbreak.
What do you do when your parents refuse to let you get vaccinated? Ask the Internet.
The WHO has named vaccine hesitancy as one of the top 10 public-health threats of 2019. Here's how the anti-vaccination movement came about, and what to do about it.
Placed in historical perspective, the popular opposition to things like GMOs and vaccines, much like 19th-century opposition to fertilizers and insecticides, reflects less an overt rejection of science than a distrust of experts who peddle it.
Failing to challenge Donald Trump on vaccines was more than just a political faux pas.
A large-scale study shows that autism may be dramatically less likely in vaccinated children.
Vaccinations are typically regarded as the most important public health advancement in history. So why are they going away?
A new study highlights the need for a new kind of public outreach, as well as stronger science education.
The oral vaccination used in the world's largest global health campaign, a successor to that first developed by Dr. Hilary Koprowski, who passed away this past weekend, comes with its own set of risks.