DUPAGE COUNTY—An increase in mosquito samples from Naperville testing positive for West Nile virus (WNV) has the DuPage County Health Department reminding residents to protect themselves from mosquito bites and the risk of contracting WNV.
This report is the first positive test of WNV in mosquitoes in DuPage County this year.
The key factors in determining the degree of West Nile virus activity are temperatures and rainfall. In hot, dry weather, mosquitoes that carry West Nile virus (primarily Culex mosquitoes) breed in stagnant water, like street catch basins and ditches, and multiply rapidly.
“As people spend more time outdoors to physically distance due to COVID-19, we are reminding everyone to protect yourself and your family from mosquitoes and West Nile virus,” said Karen Ayala, Health Department Executive Director.
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