Viral and bacterial infections are the main causes of fever, though there are many other possible reasons. Here's what you ...

Your muscles ache when you have the flu because of inflammation caused by the virus. To find relief, try applying heat or ...

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

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 ...

A quadruple whammy of viruses – flu, COVID, norovirus, and respiratory syncytial virus, or RSV – is hitting the U.S. as the year comes to a close. The Centers for Disease Control and Prevention has ...

Still, studies show that even mild Covid cases can cause lingering symptoms that outlast the average flu or cold — meaning ...

It’s a common respiratory virus that can cause mild symptoms similar to a cold, but respiratory syncytial virus, or RSV, can ...

A disease which can kill cats, both domestic and wild, has been discovered for the first time in the US. A variant of the rustrela virus-- related to the wider-known rubella virus which causes a skin ...

New research is raising the possibility that a virus that is seemingly otherwise harmless to humans could possibly trigger ...

LONDON (AP) — Chinese authorities have taken measures this week to try to curb the spread of chikungunya, a virus that often causes fever and joint pain. As of Wednesday, the government reported there ...