For most people, swimming in a lake or river is the best way to cool off on a hot summer's day. But there are more than frogs and fish in those waters – microscopic pathogens that can cause serious ...

In a new genetic study, scientists have charted the rise of 214 human diseases across ancient Europe and Asia. By Carl Zimmer To prepare for future pandemics, scientists look to the past for clues.

Federal and public health officials in multiple states are investigating an outbreak of E. coli infections linked to McDonald’s Quarter Pounder, according to the Centers for Disease Control and ...

Polar bears face mounting challenges in a changing, warming world, mostly related to their waning wintery wonderland habitats. But they may be increasingly infected with germs and parasites, too.

As temperatures continue to swelter and people flock to the Gulf Coast to enjoy its warm, salty waters, health officials are warning swimmers about a "flesh-eating" bacteria that has killed at least ...

Chagas disease, known as the “kissing bug” disease, has long been thought of as a neglected tropical illness, but some researchers now argue it’s endemic to the United States - but a lack of awareness ...

Polar bears roaming the ice and swimming the waters of the Chukchi Sea have become increasingly exposed over the past decades to a collection of disease pathogens, according to a newly published study ...