Health ❯ Public Health ❯ Infectious Diseases ❯ Vector-Borne Diseases

West Nile Virus

Early, Widespread West Nile Surge Triggers Expanded Mosquito Response

Rising detections of infected mosquitoes and dead birds have prompted public-health agencies to step up surveillance plus targeted control measures.

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

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

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

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

Verily Asks EPA to Permit Wolbachia Male‑Mosquito Trials in Florida and California

Texas Confirms First Human West Nile Case of 2026

Study Finds West Nile Virus Now Established in Austria After Record 2024 Cases

West Nile Virus Detected Early in Harris County Mosquitoes

Second West Nile Detection Confirmed in Hays County Mosquito Trap

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

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