A deadly pathogen known as cetacean morbillivirus has been detected in Arctic waters for the first time. Researchers found it ...

Americans are being urged to be extra vigilant this winter, as a suite of influenza A mutations has created a dominant virus ...

The drones carry Petri dishes and hover over the blowholes of northern whales. Droplets of their respiratory fluid land on ...

Scientists took samples from whale blow, identifying possible disease risks for marine mammals in northern seas.

As the U.K. battles a super flu outbreak and measles cases rise, health experts have identified four diseases - including ...

Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in New Jersey, ...

Viruses are tiny — and sneaky. So sneaky that some play a deadly game of hide and seek. The "seek" part is all too familiar: They're always looking for ways to infect humans. Their ability to hide is ...

Dr. Tsion Firew at her home in Kigali, Rwanda, on Oct. 3. A year ago, Rwanda announced the country's first Marburg outbreak — a deadly virus that's a cousin to Ebola. Firew, who is chair of emergency ...

Scientists used drones to collect whale breath and detect harmful viruses early, helping protect whales in Arctic waters.

Viruses are tiny — and sneaky. So sneaky that some play a deadly game of hide and seek. The "seek" part is all too familiar: They're always looking for ways to infect humans. Their ability to hide is ...

Tsion Firew had just finished running a first aid training when she glanced down at her phone — and then looked up confused. The message she saw was about a colleague Firew had worked with a few days ...