Additionally, 422 dead birds from 18 counties have tested positive for the virus in 2018, and 1,606 mosquito samples from 28 counties have also tested positive for the virus this year.
The Cuyahoga County Board of Health has confirmed a case of West Nile Virus in a Shaker Heights resident.
Most people with West Nile virus may not know they have been infected.
Officials confirmed one positive human case in Carrollton last week, Denton County's first this year, Denton County Public Health spokeswoman Jennifer Rainey said. "Even though it will be getting cooler in the evenings, it is still important to protect against mosquito bites during the fall months until there is a significant frost event", he continued.
DEET - Apply insect repellent containing DEET, picaridin, oil of lemon eucalyptus or IR3535 according to label instructions.
California's West Nile virus website includes the latest information on WNV activity in the state.
West Nile virus is a mosquito-carried virus that can cause illness ranging from a mild fever to more serious symptoms, although most people infected show no symptoms.
Wearing protective, light-coloured clothing, including long-sleeved shirts, long trousers and socks.
Eliminate all sources of standing water on your property, including flowerpots, gutters, buckets, pool covers, birdbaths, old vehicle tires, rain gutters and pet bowls.
Screens should be used to keep mosquitoes outside of homes.
Ensure door and window screens are in good condition so mosquitoes can not get inside. If an animal is diagnosed with West Nile virus or EEE, owners are required to report to the Division of Animal Health by calling 617-626-1795 and to the DPH by calling 617-983-6800.