A human case of West Nile virus has been confirmed in DuPage County, Illinois, marking the latest instance of the mosquito-borne illness in the state this year.
The DuPage County Health Department announced the confirmation on Thursday. The individual, a resident of Glen Ellyn in their 50s, experienced symptom onset in mid-july. This follows earlier reports of West Nile virus cases in Illinois this season.
The Centers for Disease Control and Prevention (CDC) first reported a human case in Illinois in June, involving a hospitalized individual in Southern Illinois.Afterward, a second case was confirmed in Lake County on July 16. That individual, in their 70s, became ill earlier in July.
Understanding West Nile Virus
West Nile virus is transmitted too humans through the bite of an infected mosquito, with transmission typically peaking during the summer months.According to the CDC, approximately 80% of individuals infected with the virus do not develop any symptoms. of those who do experience symptoms, about one in five will develop fever and flu-like symptoms, which can include body aches, vomiting, diarrhea, or a rash.
Severe illness, though less common, can occur in about one in 150 infected individuals. Those most at risk for severe complications are people over the age of 55 and individuals with weakened immune systems.
Prevention strategies for West Nile Virus
Currently, there are no specific medications available to treat West Nile virus. Prevention of mosquito bites is the primary method of combating the illness.
Health officials recommend residents practice the “three R’s” to reduce mosquito populations and protect themselves:
- Reduce: Eliminate potential mosquito breeding grounds by removing standing water from containers around homes and properties.
- Repel: Use EPA-registered insect repellents containing DEET, picaridin, oil of lemon eucalyptus, or othre effective ingredients to prevent mosquito bites.
- Report: Notify local authorities of areas where water collects and remains stagnant for more than a week, as these are prime breeding sites for mosquitoes.
This article was produced by Jeramie bizzle, a web producer for CBS Chicago.
