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Mosquito Control

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West Nile Activity Surges in U.S. Cities as Mosquito Positives and Human Cases Rise

Unusually warm weather has increased mosquito populations in multiple U.S. regions.

Widespread Rise in West Nile Cases Prompts Local Spraying and Warnings

West Nile Virus Surges With New Human Cases and Positive Mosquito Traps Across U.S. Counties

U.S. Sees Widespread West Nile Surge as EEE Detected in Massachusetts

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

Early, Widespread Rise in West Nile Detected as Local Agencies Intensify Control

Early, Widespread West Nile Surge Triggers Expanded Mosquito Response

Locally Acquired Dengue Detected in Multiple Florida Counties as Virginia Probe Begins

West Nile Detections Surge Across North America as New Human Cases Appear

Early Multi-State Surge in West Nile Brings First Los Angeles Human Case

Early West Nile Season Brings Spike in Infected Mosquitoes Nationwide

West Nile Virus Found in Floyd County Mosquito Pool

Maricopa County Confirms First West Nile Death of 2026 Season

Texas Confirms First Human West Nile Case of 2026

Japanese Encephalitis Virus Found in Horsham Mosquitoes Triggers Health Response

Second West Nile Detection Confirmed in Hays County Mosquito Trap

L.A. County Confirms First West Nile Virus Death of 2025

New York Confirms First Locally Acquired Chikungunya Case in Nassau County

South Asia Sees Post‑Monsoon Dengue Surge as Bangladesh Outbreak Deepens

Two More West Nile Cases in Massachusetts as 47 Communities Reach High Risk