Health secretary Robert F. Kennedy Jr. said Sunday that "the most effective way to prevent the spread of measles is the MMR ...

Unless we dramatically change course, drastically change course, it's going to be a problem. This is what measles does.” ...

Two unvaccinated children who contracted measles have now died in Texas, after a decade in which there were no such deaths ...

The Trump administration fired everyone in a CDC lab that is crucial to tracking drug-resistant gonorrhea and other sexually ...