Bacteria and viruses are the most common causes of disease, but they have some key differences. Here's what you need to know.

A computer virus is a type of malware that can replicate itself on your computer and spread to other devices.

The Antarctic is a harsh and unforgiving climate for many, though there is no shortage of important biological activity ...

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 ...

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.

Whenever you decide to get it, the best time to get the shot is before flu is “widely circulating and with enough time for you to develop immunity,” said Dr. Geeta Sood, an infectious disease ...

We've all heard of "the flu" but when it comes to types, subtypes and variants, influenza can get a bit complicated. According to the U.S. Centers for Disease Control and Prevention (CDC), nearly ...

If all viruses disappeared, the world would be very different — and not necessarily for the better. But what exactly would happen? Viruses seem to exist solely to wreak havoc on society and bring ...

Avoid foods high in L-arginine and low in nutrients during a shingles outbreak. Opt for immune-boosting foods like those rich in vitamin C and beta carotene.