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 ...

Experts explain how Nipah virus spreads, why it's so deadly, and whether it poses a threat in the U.S., Texas or Austin.

Because measles is so contagious, experts say that vaccination rates need to be above about 95 percent to stem the spread of ...

Norovirus outbreaks at events like the Olympics are more than logistical setbacks. They reveal how the virus’s biology and ...

The Nipah virus has been making headlines as of late, with stories of confirmed cases and fatalities around the world sending ...

Most of us try to dodge coughs and sneezes, but some viral threats aren’t so obvious. Research shows that many viruses can linger in the air and on surfaces long after an infected person has left the ...

Travel advisories have been issued for the Seychelles, Bolivia, Cuba, Suriname and Sri Lanka due to chikungunya outbreaks.

Countries across Asia are on high alert after cases of the deadly Nipah virus were detected in India. Though Indian officials said they have contained the outbreak, screenings at airports in Asia ...

Infections have increased sharply in recent weeks. April 27, 2014— -- Cases of the MERS Coronavirus have significantly increased in the last few months, and in recent weeks there have been ...

How long are you contagious with the flu? Experts say you can spread the virus for five to seven days after symptoms start, ...

According to Westword, after humans initially transmitted the virus to two tigers, 11 lions and then two hyenas tested positive. While lions and hyenas lived in separate communities, none of the ...

A YOUNG nurse has died after catching Nipah, a virus that has been dubbed the ‘next pandemic threat’. The 25-year-old was one of two confirmed cases in eastern India and succumbed to the bat-borne ...