A case of chikungunya virus in New York may have been locally transmitted. A look at the symptoms and how many cases have ...

Medical experts say vaccination is the best prevention method for hepatitis B, a liver infection that can be acute or chronic ...

As summer turns to fall, it's still mosquito season in Wisconsin — which means West Nile virus is still circulating. The state Department of Health Services announced Thursday that two Wisconsin ...

It's a contributor to multiple cancers. Infectious disease doctors have made a new discovery that could impact treatment ...

Additionally, people with febrile illness may experience fatigue or weakness for an extended period — up to weeks or even months — following recovery. In very rare instances, the virus is spread ...

The death of a teenage girl has brought fresh attention to the extremely lethal Nipah virus. Health authorities around the world are closely monitoring the situation as the virus is known not only for ...

As a general rule, most people want to avoid viruses, which are at the root of illnesses like colds, the flu, chickenpox and many a stomach bug. But what about a virus that doesn’t make people sick — ...

Chagas disease​ is already endemic to 21 countries in the Americas, and growing evidence of the parasite is challenging the ...