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Mosquito Control

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

Health officials say risk will persist until the first hard frost.

South Carolina Confirms First Eastern Equine Encephalitis Death in More Than 20 Years

West Nile Season Intensifies With First LA Cases and Deaths Reported in Illinois and Michigan

U.S. West Nile Cases Climb to 771 as 2025 Season Runs 40% Above Normal

First Human West Nile Cases of the Season Confirmed in Connecticut, Long Island and Trumbull County

First Human West Nile Cases Confirmed in Massachusetts and Delaware County as Mosquito Positives Surge

West Nile Activity Intensifies With 2 Deaths in Minnesota and New Signals in New York, Maryland and Indiana

ECDC Reports Record Mosquito-Borne Illnesses in Europe Ahead of Peak Season

New Jersey Probes Possible Locally Acquired Malaria Case in Morris County

Europe Logs Record Chikungunya Outbreaks as Global Surge Intensifies

Chicago Elevates West Nile Risk to High After First Human Cases Confirmed

Austin Public Health Investigates First Suspected West Nile Virus Case in Travis County

West Nile Virus Detected in San Antonio Mosquitoes; Denver Confirms First Human Case

CDC Issues Level 2 Alert as Guangdong’s Chikungunya Cases Exceed 6,500

Monsoon-Driven Disease Surge Prompts Delhi and Mumbai to Step Up Mosquito Control

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

West Nile Virus Confirmed in Massachusetts Goat as Illinois Reports Second Human Case

Mumbai Sees Record Malaria and Chikungunya Rise; BMC Launches Zero Mosquito Breeding Drive

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

New York Reports First EEE Death in Nearly a Decade Amid Surge in Mosquito Activity