West Nile Virus Detected in Mosquitoes in Northeast Philadelphia, Health Officials Say
PHILADELPHIA, JUL 18 – Philadelphia health officials advise precautions after detecting West Nile virus in mosquitoes near Pennypack Park; fewer than 1% of infected people develop severe disease, city coordinator said.
- On July 7, the Philadelphia Department of Public Health detected its first infected mosquitoes in Northeast Philadelphia, prompting a city advisory to medical providers.
- The Philadelphia Department of Public Health collected its first infected mosquito pool on June 18, 2025, near Pennypack Park in Northeast Philadelphia.
- About one in five infected individuals develop symptoms, while fewer than 1% of cases become severe, according to Emily Kehoe.
- As of Thursday, Emily Kehoe said there are no confirmed cases this year, and residents have been urged to take precautions against mosquito bites at dusk and night.
- With peak activity ahead, health officials warn of heightened transmission risk as West Nile season typically runs now through early September.
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19 Articles
Health officials issue warning after batch of mosquitoes test positive for potentially fatal virus: 'Start taking precautions'
One Illinois county is sounding the alarm after reporting the discovery of the season's first West Nile-positive mosquitoes. What's happening? In late June, the Will County Health Department announced that a batch of mosquitoes in the city of Joliet, which is around 40 miles southwest of Chicago, tested positive for West Nile virus. Patch reported on the announcement, adding that the mosquito-borne illness had already been found in 22 of the sta…
West Nile virus detected in mosquitoes in Northeast Philadelphia, health officials say
By Matt Cavallo, Madeleine Wright Click here for updates on this story Philadelphia (KYW) — Philadelphia health officials are warning residents after West Nile virus was found in mosquitoes in Northeast Philadelphia earlier this month. Officials said the disease was detected in mosquitoes near Pennypack Park during a routine surveillance for the virus. The Department of Health has alerted area doctors and medical offices to look out for pati…
West Nile Virus found in mosquitoes near Philadelphia's Pennypack Park: Officials
Health officials have shared that West Nile Virus has been detected in mosquitoes near a park in Philadelphia. According to the Philadelphia Department of Public Health, on Friday, June 18, 2025, the first mosquito pool infected with the West Nile Virus for the 2025 season was collected in Northeast Philadelphia, near Pennypack Park. Officials warn that positive mosquito pools are...

B.C. Health officials set up mosquito traps in the Sea to Sky region for study
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TPH Confirms Mosquitoes Have Tested Positive For West Nile Virus - The Canadian Media
Toronto/CMEDIA: Three mosquito batches collected in the city of Toronto reportedly have tested positive for West Nile virus, marking the first positive findings this year, Toronto Public Health (TPH) has confirmed. Stay safe outdoors Toronto and York Region have confirmed the first signs of West Nile virus in local mosquitoes this summer. York Region officials say a trap near Weston and Rutherford roads tested positive, while Toronto Public Hea…
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