How bad is the West Nile infection rate? The vector index, which is the rate of mosquitoes infected with West Nile virus, is ...

Very high levels of the disease are trending currently, and are of 'serious concern' over the next eight weeks, say ...

DES MOINES, Iowa (KTTC) – Health officials in Iowa are putting out a warning to residents statewide after the first reported ...

Salt Lake County reported the year's first case as more mosquitoes statewide are testing positive for the infection.

The risk for West Nile virus is high in 10 cities and towns in Massachusetts, including Boston, public health officials say.

The Iowa Department of Health and Human Services (HHS) has reported the first West Nile virus infection of 2025.

The risk for West Nile virus is now considered "high" in 10 Massachusetts communities. See which cities and towns are on the ...

The Salt Lake County Health Department (SLCoHD) announced the first human case of West Nile virus in the state this year.

Mosquito season begins in the summer and ends in the fall. Health officials offer tips prevent breeding in your yard.

DES MOINES, Iowa (KCRG) - A high risk of West Nile Virus is present across the state. In Iowa, West Nile Virus transmission ...

Through its mosquito surveillance program, Franklin County Public Health is seeing its highest level of West Nile virus in ...

The infection was confirmed in a middle-aged adult from northern Iowa through testing at the State Hygienic Lab.