A University of Arizona researcher is part of an effort to identify the diseases carried by ticks, and she's asking people to send her samples.

With 1,288 cases and outbreaks in 14 states, the U.S. is facing its largest measles spread since 1991, prompting renewed CDC ...

A person died in Flagstaff of the rare illness related to the bubonic plague. Once called the “Black Death,” plague is now curable in all its forms if treated quickly.

See how many tick bite-related emergency department visits the Northeast has seen this summer compared to last summer.

CHICAGO (WLS) -- Health officials in Illinois will give an update Friday on measles cases in the state. Officials say there are currently 10 measles cases in Illinois as they are asking clinicians to ...

Pneumonic plague is both “the least common and most dangerous type of plague,” according to the Cleveland Clinic.

The CDC says the U.S. has it its highest number of measles cases in decades. Texas Children's Dr. Amya Mitchell spoke with ...

The Illinois Department of Public Health has declared the Southern Illinois measles outbreak over. There were eight total ...

Pneumonic plague is both “the least common and most dangerous type of plague,” according to the Cleveland Clinic.

An Arizona resident died within 24 hours of showing plague symptoms, confirmed to be caused by Yersinia pestis, following a ...

As national cases soar and federal leadership engages in vaccine skepticism, Illinois has so far seen a single, small measles outbreak this year that health officials say they quickly brought ...

Summer means mosquitoes, and that means a higher risk of getting West Nile virus, and while symptoms are often mild, it can present problems for older adults. This virus ...