Health ❯ Public Health ❯ Infectious Diseases

Vector-Borne Diseases

West Nile Virus Chikungunya Dengue Ticks Chikungunya Virus Eastern Equine Encephalitis Tick-Borne Diseases Malaria Mosquito-Borne Diseases Dengue Fever Asian Tiger Mosquito Japanese Encephalitis Lyme Disease Mosquito Control West Nile Fever Miasis Transmission Midge and Mosquito Transmission Leptospirosis Mosquito-Borne Illnesses Mosquito-Borne Viruses Ticks and Tick-Borne Diseases Aedes aegypti Mosquito Kissing Bugs La Crosse Encephalitis Virus Mosquitoes Mosquito-Borne Infections Oropouche Virus Eastern Equine Encephalitis (EEE) Disease Transmission Aedes Aegypti Blood Donation Safety Frühsommer-Meningoenzephalitis (FSME) Yellow Fever Usutu Virus Borreliose Screwworm Infestation Risks Screwworm Infestation Chikungunya Fever Tick-Borne Illnesses

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

Health officials urge EPA-registered repellents, standing-water removal, screen repairs during peak mosquito season through November.

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