Virus

California officials are investigating cases of valley fever tied to a recent music festival.

The World Health Organization will soon convene a committee to decide if the ongoing mpox outbreak constitutes a "public health emergency of international concern."

A drug-resistant bacterium that causes severe infections has been spreading globally, and it's now in at least 16 countries, the WHO warns.

Scientists hope a new blood test for colorectal cancer could improve screening rates.

Researchers think climate change will soon cause an increase in the incidence of Naegleria fowleri infections, a "brain-eating" disease.

In the U.S., tap water is generally safe and not a likely source of brain-eating-amoeba infections, experts told Live Science.

Doctors are pulling out new techniques and drugs in an effort to cure devastating brain infections.

Flu viruses that can use a second cellular entry point may move more effectively between animals and humans, scientists say.

Preliminary experiments suggest that a new test could diagnose bacterial infections that cause sepsis days faster than conventional approaches, with potentially lifesaving consequences.

Scientists uncovered a species of fungi that had never before been seen in humans. They say warmer temperatures could drive its evolution, for the worse.