Learn more about the deadly 2026 Ebola outbreak, including how many cases there are so far, which countries are most affected ...

But how is it spread from human to human? Dr. Kumar says it is very important to understand, it is only spread through very close contact.

Ebola spreads through direct contact with the body fluids of a symptomatic person or with contaminated clothing or other materials. Ebola virus is in saliva and other body fluids but has not been ...

The head of the World Health Organization on Saturday visited eastern Congo’s Bunia, a city at the heart of an outbreak of a ...

WHO experts warn that caregivers, family members, and frontline health workers face the highest risk of Ebola infection due ...

Human Immunodeficiency Virus (HIV) is a virus that attacks the body’s immune system, specifically the CD4 (T) cells, which help the body fight off infections. If left untreated, HIV can lead to ...

It’s been assumed that the virus is contagious only if someone is in close contact with someone who’s having symptoms.

High concentrations of rotavirus across the Bay Area are raising concerns among infectious disease experts. Here's what to know.

Experts explain why the outbreak aboard a Dutch cruise ship is so rare—and how much of a risk it poses.

Though it is commonly called the "winter vomiting disease," norovirus outbreaks are still cropping up around the country in ...

Countries around the world, including the U.S., are preparing to deal with the more than 140 passengers and crew members on board a hantavirus-stricken cruise ship where at least three people have ...

It only takes a small amount of contact with an infected individual to contract the fatal disease ...