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West Nile Virus Symptoms

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West Nile Cases Rise in New York City as Mosquito Pools Top 1,600

Expanded surveillance with targeted spraying aims to prevent further severe neuroinvasive illness in the absence of a vaccine.

Massachusetts Confirms Seventh West Nile Case and Illinois Reports Two Neuroinvasive Hospitalizations

New York City Confirms First Human West Nile Case as Mosquito Positives Surge

West Nile Virus Reaches Rome as Lazio Reports First Local Cases

West Nile Virus Found in Mosquitoes in Two Maryland Counties

Milwaukee County Confirms First West Nile Case of 2025 in Bayside

Italy Reports 57 New West Nile Virus Infections and Eight Deaths

Wisconsin, Texas and Toronto Report First West Nile Virus Human Cases of 2025

West Nile Virus Kills Five in Latium Hotspot as Cases Exceed 40

West Nile Virus Death Prompts Task Force as Cases Rise Around Rome

West Nile Virus Found in Connecticut Mosquitoes as Illinois Sees Earliest Human Case Since 2016

West Nile Virus Detected in Mosquitoes Across McHenry and DuPage Counties

Longer Mosquito Seasons Increase West Nile Virus Risk