Dengue is spreading in parts of the U.S. like California, Texas and Florida. Climate change and limited vaccine access raise ...

What to know: Dengue is spread by Aedes mosquito bites. Most cases are mild, but severe symptoms like bleeding from the nose ...

The simplest way to avoid a tick bite is to cover up your skin when out in natural areas, especially your ankles and legs. After, be sure to thoroughly check your clothes and body for any unwanted ...

While national park rangers are there to assist visitors in an emergency, here's what you can do to help them help you when ...