Face masks worn by patients infected with tuberculosis (TB) may be able to significantly cut transmission rates to non-infected patients, according to a new study by researchers from the U.S. and ...

With the persistent threat of H1N1 flu, medical face masks have become standard attire for anyone with a cough at the doctor's office. And while physicians may advise ill family members to wear them ...

SAN FRANCISCO -- As fears rise over China's coronavirus outbreak spreading to the United States, more and more people are looking for ways to protect themselves. One of the most in-demand items are ...