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.

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

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

Experts warn about the possibility of a new pandemic in 2025 as the H5N1 bird flu virus spreads across all 50 states, impacting US dairy farms and leading to human infections. Here's what to know.

After a quiet summer, bird flu cases are rising again. Scientists expected the development, but what happens next is still ...

You’ve heard the term, but what does it actually mean? Learn from our expert how these self-replicating programs sneak in, spread, and slow your system down, plus what you need to know to stay ahead.

Ebola is one of the nasty viruses that can hide in the body even after a patient recovers and tests negative. It can reemerge and trigger a new outbreak years later. How do they survive? And how can ...

A person living in the suburbs of New York City has tested positive for chikungunya, a mosquito-borne virus that is more ...

New York reports first locally transmitted chikungunya case in six years. Learn about symptoms, transmission, and prevention ...