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Vector-Borne Diseases

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Study Traces Mosquitoes’ Human-Biting Origin to Early Hominins in Sundaland

The finding offers an independent proxy for early human occupation of Southeast Asia, reshaping timelines for vector evolution.

CDC Issues Level 2 Travel Notice for Seychelles Over Chikungunya Outbreak

CDC Issues Level 2 Travel Health Notice for Seychelles Over Chikungunya Outbreak

Study Finds Avian Malaria Endemic Across Hawaiʻi, Carried by Most Forest Birds

Mosquitoes in Brazil’s Atlantic Forest Show Strong Preference for Human Blood

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

Invasive Aedes Aegypti Mosquito Confirmed in Boulder Creek as County Mounts Response

Roseville Man's Death Is Placer County's First West Nile Fatality of 2025, Fifth in California

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

NY Probes Possible Local Chikungunya Case as West Nile Activity Rises in Northeast and Midwest

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

CDC Says Chagas Disease Is Now Endemic in the U.S.

Study Forecasts Rising Aedes Aegypti Across Brazil by 2080, With South and Southeast Hotspots

Albany County Confirms First West Nile Virus Case Since 2018

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

Suspect Detained After Gunfire Hits Illinois Senator’s Home in Shorewood

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