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

Infectious mononucleosis, often called "mono," is a viral illness best known for causing extreme fatigue, sore throat and swollen glands.

Public health figure Anthony Fauci, MD, recently made headlines after being hospitalized with West Nile virus. At 83, Dr. Fauci experienced severe symptoms, including fever and fatigue, and required a ...

A resurfaced video claims chickenpox vaccination fuels shingles outbreaks. Studies show shingles is less common among vaccinated kids.

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 ...

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

Here's how Nipah virus spreads in India, early symptoms, testing methods, risk factors and why rapid surveillance is key to preventing fatal outbreaks.

The Centers for Disease Control and Prevention has issued a new travel advisory for an archipelago of islands amid an ongoing ...

Health officials are urging vigilance after a person infected with measles spent more than five hours at Robert Wood Johnson ...

Mosquitoes are being blamed for a chikungunya outbreak in Seychelles, prompting a Level 2 Travel Advisory to be issued for the region.

Officials across the globe, including the US, are on alert after a deadly bat-borne virus was detected in humans. India has so far confirmed two cases of Nipah virus, a rare bat-borne disease, in two ...