West Nile Virus was identified in a mosquito collected in Middleboro, town officials said Wednesday. Symptoms of the virus tend to include fever and flu-like illnesses. The virus has a more significant effect on people over the age of 50, according to health officials.

The County Department of Health and Social Services, public health division, and the Solano County Mosquito Abatement District have confirmed that a mosquito pool (mosquitoes collected in a trap)

Public health officials in Solano County confirmed a positive West Nile Virus detection in mosquitoes collected from near the Birds Landing area in the Sacramento delta.