Last week mosquito traps in two Naperville parks tested positive for West Nile Virus.
After recent retesting Seager Park has once again tested positive for the virus.
Meanwhile Springhill Park tested negative the second time around.
The city is warning residents to take precautions.
When outside wear long sleeves and pants, make sure to use bug spray and spray clothing because mosquitoes can bite through them, and eliminate standing water around your home.
Department of Public Works crews will be checking the area for breeding sites and retreating catch basins.
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