West Nile Virus Activity in Montana

Montana public health officials have reported that eleven counties, including Cascade County, have had mosquito pools test positive for WNV in recent weeks. WNV usually follows a predictable course of infection in Montana with positive mosquito pools or birds detected, followed by cases in…

First West Nile Virus Positive Mosquito Pool Detected

The Cascade County Weed and Mosquito Division has detected its first West Nile Virus (WNV) positive mosquito pool in 2013. The first WNV positive sample of Culex tarsalis was collected on Monday, August 12, 2013 in the Fort Shaw area and was confirmed by…