Malware includes viruses, worms, adware, spyware, and ransomware — they all work differently but tend to cause similar ...

Coronavirus disease 2019 (COVID-19) is caused by a virus that spreads between people. Find out how to protect yourself and those close to you.

With hand, foot and mouth disease, or HFMD, spreading through certain parts of the country, there are certain symptoms to look for and ways to treat the illness.

Ebola is one of the nasty viruses that can hide in the body even after a patient recovers and tests negative. It can reemerge ...

A person living in the suburbs of New York City has tested positive for chikungunya, a mosquito-borne virus that is more often seen in South America and hasn’t been transmitted on the U.S. mainland in ...

The Chikungunya virus is spread by infected mosquitoes and causes symptoms like fever and severe joint pain. There is no specific medicine to treat the virus, and the best way to prevent it is by ...

They came for blood — and left behind something worse. Thousands of people in China have been infected with a painful mosquito-borne virus, triggering the country’s most aggressive public health ...

An uncommon tick-borne illness called Powassan virus is making headlines in New England right now because a newborn baby in Massachusetts is believed to have it. Here in Connecticut, the CDC says ...

After a summer lull in U.S. cases of avian influenza in both poultry and dairy cattle—and no human infections reported in the ...

Clade I, the version of mpox now circulating in Southern California, is not new to science. It’s been responsible for severe ...