It’s not always easy to find a way to help. Nearly every action has good and bad consequences—as people who mowed down non-native plants in mosquito basins found out. By clearing the plants, they helped increase the risk of spreading West Nile Virus. Find out how.
Mosquito bites are not just annoying, they can also spread illnesses. Public health entomologist Grayson Brown is here to take all your questions about mosquitoes and mosquito-borne diseases.
Each summer, public health officials in California make the rounds to "sentinel chickens" in semi-secret locations all over the state. These ordinary chickens just puttering around in their coops have an important job—without them, we'd be more clueless about where West Nile virus is.