Opinion editor Matthew T. Hall examines South Carolina’s troubling vaccination rates and vaccine hesitancy as measles, once ...

America's vaccination rates are walking a tightrope, and even the slightest dip in immunizations could plunge the country ...

The Texas Senate passed a bill that would make it easier for parents to reject vaccine requirements for schoolchildren. The ...

As the Mexican border state of Chihuahua grapples with a measles outbreak, health officials are visiting Mennonite communities urging residents to immunize.