UPDATE: The aerial spraying of Cicero Swamp and the immediate surrounding areas was completed as planned. _________________________________________________ ONONDAGA COUNTY, AUGUST 4, 2025 – Current weather conditions are suitable for this evening’s aerial mosquito spraying of the Cicero Swamp and the immediate surrounding areas, provided there is no sudden drop in visibility due to wildfire smoke.… Read more >

ONONDAGA COUNTY, AUGUST 1, 2025 – The Onondaga County Health Department was notified that additional mosquitoes collected from traps located in the Cicero Swamp area in the town of Cicero tested positive for eastern equine encephalitis virus (EEEV) and West Nile virus (WNV). On July 29, the Health Department received confirmation that mosquitoes from traps… Read more >

ONONDAGA COUNTY, AUGUST 25, 2023 – The Onondaga County Health Department has been notified that additional mosquitoes collected from traps located in the Cicero Swamp area in the town of Cicero tested positive for virus. A mosquito pool from the Route 298 trap and a pool from the Island Road trap tested positive for Eastern… Read more >