Additional WNV Cases Confirmed In Pinal Co.

Pinal Co. health officials reported an additional 6 cases of West Nile virus (WNV) disease in people, bringing the total of human WNV disease cases in Pinal County to 10 so far in 2006, with 1 death. All 6 new cases are reported to be recovering. Of the 10 cases that have been reported to date, 1 was in the Florence area, 2 were in the Coolidge area, 1 was in the San Manuel area, 4 have been in the Casa Grande area, 1 was in the Queen Creek area, & 1 was on the Gila River Indian Community. All cases are being investigated by the Pinal Co. Division of Public Health.

An additional horse in the Casa Grande area was also reported to be WNV positive. The previous horse reported in 2006 was from the greater Florence area & has been euthanized. WNV is transmitted to humans & animals through the bite of an infected mosquito. Mosquitoes become infected with the virus when they feed on infected birds.

The overall risk of WNV to humans is low & most people infected will not experience any noticeable symptoms. A small percentage of people may experience more serious forms of illnesses that can include lasting or permanent neurological effects. People over the age of 50 are more likely to develop serious symptoms of WNV.

For health info about WNV, visit the Arizona Department of Health Services' site at westnileaz.com or call the State Public Health Hotline toll-free at (800) 314-9243. If you would like information concerning WNV, including locations for mosquito fogging in Pinal Co., please call the mosquito hotline at 520-866-6200.