One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like symptoms. Last week, that number ...

Researchers have identified Camp Hill virus, a type of henipavirus, in shrews in US state of Alabama. This virus, related to the deadly Nipah virus, raises concerns about human transmission and ...

Explore the world's deadliest snakes, including the North America's Eastern Diamondback Rattlesnake, South America's Fer-De-Lance, and Europe's Nose-Horned Viper. Learn about each snake's habitat, ...