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Vector-Borne Diseases

West Nile Virus Chikungunya Ticks Dengue Tick-Borne Diseases Chikungunya Virus Mosquito-Borne Diseases Dengue Fever Malaria Lyme Disease

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

An early surge in infected mosquito pools raises local infection risk, prompting stepped-up spraying and temporary park closures.

Early, Widespread West Nile Surge Triggers Expanded Mosquito Response

Study Finds Mosquito Attraction Varies by Person and by Species

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

Early West Nile Surge Triggers Alerts in Andalusia and New U.S. Neuroinvasive Cases

West Nile Virus Found in Mosquitoes in Two Maryland Counties

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

Early West Nile Season Brings Spike in Infected Mosquitoes Nationwide

Germany Prepares for an Unusually Large Mosquito Season

Young Man Hospitalized With Neuroborreliosis as German Tick Risk Rises

Early West Nile Surge Prompts Expanded Controls and 600,000 Wolbachia Mosquito Release in DC

Lyme Cases Rise in England as South West Emerges as Hotspot

West Nile Season Starts Early Across U.S., Dozens of Cases Confirmed

Long Beach Confirms California’s First Human West Nile Case of 2026

West Nile Detected in Multiple States as Texas Confirms Neuroinvasive Case

UK Heat and June Rains Create 'Perfect' Conditions for Mosquito Surge

West Nile Virus Found in Floyd County Mosquito Pool

Maricopa County Confirms First West Nile Death of 2026 Season

West Nile Virus Becomes Endemic in Berlin, Charité Study Finds

Travelers Urged to Avoid Mosquito Bites for Two Weeks After Tropics Trips