Here's what symptoms for West Nile virus look like in humans, and how you can stay protected ahead of peak mosquito season.

Yolo County is now the fourth Northern California county to report a positive case of the West Nile virus. The ...

The first human case of West Nile virus in Long Beach and current mosquito-carrying activity in the San Gabriel Valley has ...

The insects have four life stages: egg, larva, nymph and adult. The tiny blacklegged tick nymphs, which peak from May through ...

The County of San Diego has detected West Nile Virus in mosquitoes collected near San Carlos, and is urging residents to ...

The potentially life-threatening disease was nearly eradicated decades ago, but now it is back and taking on Texas.

San Bernardino has joined a growing list of Southern California cities where mosquitoes have tested positive for West Nile ...

A young American crow from El Cerrito is the first bird to test positive for West Nile virus (WNV) in Contra Costa County in ...

According to the US Centers for Disease Control and Prevention, the nation is seeing the earliest start to West Nile virus ...

State and federal authorities have observed endemic populations of the lone star tick in the Four States Region, raising ...

Dengue infections acquired within the continental United States have now been documented in five states, and provisional ...