West Nile virus detected in some eastern Oregon mosquitoes. You might want good bug repellant for your weekend camping trip. Oregon Public Health regularly tests mosquitoes for West Nile virus, and some of the little buggers have tested positive in Malheur County. State Vet Doctor Emilio Debess says it's nothing critical, since we're nearing the end of the summer, but he wanted to warn outdoor adventurers. Debess says “Deet” repellant is effective, but so are natural repellants like lemon oil and eucalyptus. Visit the Oregon Public Health website for more.