OHA release - PORTLAND, Ore.—West Nile virus (WNv) has been detected in a mosquito pool collected July 15 in Eagle Point, marking the first time in 2026 that the virus has been detected.  July, August and September are considered peak months for WNv activity in Jackson County.  The mosquitoes were collected by the Jackson County Vector Control District as part of a routine surveillance program and DNA testing.  Mosquito pools are traps that hold up to 50 insects. County vector control districts around the state use the pools to collect mosquitoes so they can be tested for mosquito-borne diseases that affect humans and animals, such as birds and horses.  Residents are urged to take basic precautions against mosquitoes since WNv is spread to humans through the bites of infected mosquitoes. People should consult their health care providers if they experience any flu-like symptoms, especially in people older than 50 with underlying health conditions, such as high blood pressure and diabetes. Health care providers can contact the Jackson County Health Department for information on WNv testing.  The virus also affects wildlife and domesticated and farm animals. Horse owners should get their horses vaccinated for WNv. Horses with neurologic disease should be examined by a veterinarian. WNv testing is available at Oregon State University.