COLORADO RIVER INDIAN TRIBES
DEPARTMENT OF HEALTH AND SOCIAL SERVICES
12302 KENNEDY DRIVE
PARKER, ARIZONA 85344
TELEPHONE (928) 669-6577
FAX (928) 669-8881
August 22, 2025
Notice to the Public:
The Colorado River Indian Tribes Department of Health and Social Services (DHSS) has received information that Mosquito Arbovirus Surveillance was conducted on the Colorado River Indian Reservation on August 19“’ & 20“’, 2025. This surveillance was conducted by the Parker Indian Health Service Office of Environment Health and Engineering (IHS;OEH&E) in partnership with the CRIT Environmental Protection Office (EPO).
There were mosquito pools that were tested for the presence of the West Nile Virus. One sample tested Positive for the presence of the West Nile virus collected at the Poston, Arizona – 50 Homes site. The best way to prevent infection is to avoid mosquito bites by taking precautionary measures to protect you and your family from dusk to dawn.
● Use an insect repellent and reapply as directed.
● Wear long-sleeved shirts and pants, covering arms and legs.
● Treat clothing and gear with repellant.
● Take steps to control mosquitoes indoors and outdoors, drain standing water
in flower pots, bird baths, or old tires.
● Keep doors and windows shut.
Eighty percent (80%) of people infected with WNV will not show any symptoms but we are asking the public to report any symptoms that you may be experiencing after a mosquito bite that you feel could be due to the West Nile virus. Symptoms can be flu-like and can include: a fever, a headache, body aches, diarrhea, a rash, nausea and vomiting and can be mild or severe, and may last a few days to a few weeks. However, in rare cases, severe illness can occur; that might include brain infections such as meningitis or encephalitis, paralysis or even death. There is no vaccine for the WNV in the United States, and there are no specific treatments.
The 50 Homes area was treated in the early morning hours of Friday, August 22, 2025, by CRIT EPO, The Parker IHS OEH&E and CRIT EPO will continue to monitor the area as well as the surrounding areas for West Nile virus activity to reduce the mosquito population.
● If you want to report an environmental issue such as standing water, please call the CRIT Environmental Office at 928-662-4336.
For any symptoms that you may be experiencing, please contact your primary care physician or visit the Emergency Department or call the Parker Indian Health Services Public Health Nursing at 928- 669-213
● For more information on the West Nile virus, please visit this link.
You can also contact the Department of Health and Social Services at 928-669-6577, for more information