From Southwest District Health
Mosquitoes trapped in Adams County and Washington County have tested positive for West Nile virus.
The mosquitoes carrying the virus in Adams County were trapped in Fruitvale and Indian Valley. The
mosquitos trapped in Washington County were trapped near the north side of Weiser. These areas are
not located inside a mosquito abatement district.
Canyon, Gem, Owyhee, and Payette counties have also reported positive WNV results in some of their
Residents are encouraged to take extra precautions to avoid being bitten. Precautions include draining
any standing water on your property and wearing repellent when outdoors.
West Nile virus is a potentially serious illness that is usually spread to animals and humans through the
bite of an infected mosquito. Although most infections do not cause symptoms, one out of five who
become infected with West Nile virus show symptoms such as fever, headaches, body aches, nausea,
vomiting, and sometimes swollen lymph nodes, or a skin rash. These symptoms can last for only a few
days, or may last for several weeks. Symptoms typically occur from 2 to 14 days after the bite from an
infected mosquito. There is no specific treatment, but in more severe cases, people usually need
For more information on West Nile visit https://www.cdc.gov/westnile/prevention/index.html