Mosquito Season Approaches: Help Monitor WNV
West Nile Virus
As West Nile virus season approaches the Deschutes County area this summer, citizens can help the County's Health Department by looking for single, dead birds.
West Nile virus (WNv) first appeared in Oregon in 2004. The County's first human, bird and horse cases of the virus were all diagnosed in August of that year.
In 2006, a total of 73 people, 25 birds, and 35 horses and over 1,000 mosquitoes tested positive for WNv infection in Oregon. Of the 73 people infected with WNv: