During the winter, doctors see patient after patient with cold and flu symptoms. Here's how they avoid getting sick—tips you ...

His Indiana mom said her son was immunocompromised and came into contact with an unvaccinated child at his school.

The Trump administration has canceled $766 million awarded to drugmaker Moderna Inc. to develop a vaccine against potential ...

The man kept getting worse; in fact, he seemed to deteriorate before their eyes. Initially, he received supplemental oxygen ...

Under a sweltering summer sun in Arizona, working air conditioning can be a lifesaver, but what happens if your unit breaks? Zach Prelutsky explains.

Over the past three years, avian influenza (H5N1) has spread around the U.S. and affected many species of birds and mammals, ...