Infectious Disease

Health officials are tracking people who interacted with the sick cats, since flu viruses can jump from animals to people. In this case they think there's probably little risk to humans.

Next time you get a Brazilian wax or do a little manscaping, you may be getting more than you bargained for. Banishing hair downstairs may increase the risk of sexually transmitted infections.

The death toll from pneumonia and other infectious diseases in the U.S. is much lower than it was 100 years ago, but new pathogens like the West Nile, dengue and Zika viruses pose challenges.

The history of New York's Bellevue hospital is also the history of medicine in the United States. From the days before doctors believed in germs through AIDS, the hospital led the way in innovation.

The fungus Candida auris has infected hospitalized patients with weakened immune systems or other serious conditions. Four of the seven patients died, but it's unclear if the fungus was the cause.

Sometimes going to the dentist can make you sick. It's rare, but nearly two dozen children near Los Angeles have been hospitalized after developing infections traced to contaminated water.

Men who may have Zika should wait at least six months before having unprotected sex with partners trying to conceive, regardless of whether the men ever developed any symptoms, the CDC now says.

The deal to fight the mosquito-borne virus came after lawmakers dropped a controversial provision to block payments to Planned Parenthood for women's health care.