West Nile Virus

Montana health officials are reporting this season’s first human cases of West Nile Virus. Reported in Custer and Lewis and Clark counties, both occurred in people over the age of 60, who are typically at greater disease risk.

State epidemiologist Stacey Anderson says it’s a common time of year to see West Nile cases.

Mosquito
bkaree1 / Flickr (CC BY 2.0)


The West Nile virus, the leading mosquito-borne disease in the U.S., has just been detected for the first time this year in mosquitoes in three counties in south-central, central and northeast Montana. And public health officials are urging everyone to take precautions.

The mosquito serves as a vector for the West Nile Virus.
Wayne W G/FLICKR (CC BY-NC-ND 2.0)

The Wyoming Department of Health Tuesday reported its first case of West Nile Virus this year involving an adult in the northeastern part of the state. State and local public health officials are reminding Montanans to take steps to avoid mosquito bites and prevent infection