Maricopa County, Arizona is experiencing a surge in mosquitoes with the West Nile virus and officers are urging residents to deprive the critters of their water supply. 

The county, which seats Phoenix, has recorded greater than 200 human instances and 12 deaths as of September 30, in response to statistics from Environmental Services. By distinction, the county recorded simply three instances final yr, with a single dying.

WNV is spread primarily through mosquito bites. 

WNV is unfold primarily by means of mosquito bites. 

One of those that died this yr in Maricopa County is Nathan Ryberg, a former Tempe police detective. Ryberg’s dying was confirmed Thursday, Sept. 23, lower than two weeks after he reportedly went right into a coma whereas combating the virus. 


West Nile Virus is a illness brought on by a virus that’s primarily unfold by means of mosquito bites. There are uncommon instances the place WNV is unfold by means of blood transfusions, organ transplants, or from a mom to a child, in response to Maricopa County Environmental Services. Health consultants say solely about 1 in 5 folks contaminated will develop any signs. 

County officers are urging residents to take steps to deprive mosquitoes of water, which is required for each stage of the mosquito breeding course of. This might be achieved by emptying, draining, or masking all issues that may maintain water. 

County officers are spraying pesticides – or “fogging” – areas which have reported heavy mosquito presence. A county website reveals which areas have been fogged probably the most in latest weeks. 

Last yr marked one of many driest monsoon seasons on file. Phoenix has recorded practically 4 inches of rain throughout this yr’s monsoon season. 

The Associated Press contributed to this report.