Increased West Nile Virus Cases Reported in Utah

PROVO — Two health departments in Utah announced on Wednesday that there are additional human cases of West Nile virus, including one that resulted in the death of a resident from Davis County.

The Davis County Health Department reported three cases of West Nile virus, with two being of the neuroinvasive type, which is more severe. Both individuals infected with the neuroinvasive form were hospitalized; unfortunately, one of them succumbed to the virus. There’s no further information available about the deceased.

In Utah County, the local health department confirmed five human cases of West Nile virus, with four classified as neuroinvasive. “With the high number of positive mosquito samples and numerous human cases exhibiting symptoms, it’s evident that West Nile virus is actively circulating in Utah County,” a statement from the department indicated.

This increase in cases follows earlier reports in August of three other human cases in Salt Lake and Cache counties.

Furthermore, the Utah County Mosquito Abatement teams are conducting enhanced assessments and have initiated targeted treatments in neighborhoods where the five cases were identified. The department emphasized, “These intensified measures aim to reduce mosquito populations and lessen the risk of transmission.”

Last year, the Utah Department of Health and Human Services documented 14 cases of West Nile virus, with 12 being of the neuroinvasive type. It was also reported that one Utah resident passed away from the disease in 2023.

Symptoms of West Nile virus typically manifest between two to 14 days after being bitten and may include fever, headaches, a rash, vomiting, body aches, and diarrhea. Severe cases can result in neurological issues.

The Davis County Health Department notes that individuals over 60 and those with compromised immune systems are at the greatest risk of severe illness from West Nile virus, though anyone can contract it from an infected mosquito.

To help prevent the contraction of West Nile virus, the Utah County Health Department recommends the following precautions:

• Use insect repellent when outdoors, especially at dawn and dusk when mosquitoes are most active.
• Wear long sleeves, pants, and socks during these times.
• Remove standing water around your home, as mosquitoes can breed quickly in small containers, bird baths, clogged gutters, and other areas.
• Ensure doors and windows are screened, repairing any holes or tears.
• Exercise additional caution if you are older or immunocompromised, as you are at higher risk for severe illness.

This situation may evolve, and updates will be provided as necessary.