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.

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 ...

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 ...

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 ...

On July 12, a new deadly Nipah virus infection was confirmed in a 52-year-old man in the Palakkad district of Kerala, marking the tenth instance of Nipah virus spillover (transmission of the pathogen ...

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.

Ancient viral DNA in bacteria helps block new infections, offering a potential path to fight antibiotic resistance.

Pale-throated sloths (Bradypus tridactylus) are one reservoir species for the Oropouche virus in the tropical rainforests in northern South America. Photograph By Miroslav Srb, Shutterstock Until ...