Flu vaccines are crucial tools in protecting public health by reducing the risk of influenza illness and its complications.

Crimean-Congo hemorrhagic fever (CCHF) is one of the world's most dangerous yet overlooked infectious diseases. Spread by ...

A deadly virus is spreading among horses, and state officials believe it stems from the recent World Championship Barrel ...

Samples from human patients infected with bird flu show the virus has mutated in ways that could make it easier for humans to contract, the Centers for Disease Control and Prevention says. The virus ...

New antivirals and vaccines could follow the discovery by Australian researchers of strategies used by viruses to control our cells.

Additionally, people with febrile illness may experience fatigue or weakness for an extended period — up to weeks or even months — following recovery. In very rare instances, the virus is spread ...

If you live in the United States, odds are high that a tiny passenger rides in your blood. By adulthood, more than 94 percent ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Ever wondered why that one friend gets the stomach flu almost every year, while the rest of your friends ...

Ever wondered why that one friend gets the stomach flu almost every year, while the rest of your friends are totally fine? Or why your partner never seems to contract the illness, even when you do?

A number of big events involving horses in Arizona are being canceled, as state agricultural officials confirm a number of Equine Herpes Virus cases.

A 13-year-old girl in British Columbia who was hospitalized with bird flu for several weeks late last year harbored a mutated version of the virus, according to a report published this week in the New ...

A Washington resident has been hospitalized with bird flu, according to the Washington State Health Department, and they’re ...