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Vector-borne Diseases

West Nile Virus Lyme Disease Chikungunya Dengue Fever Eastern Equine Encephalitis Tick-borne Diseases Chikungunya Virus Dengue Japanese Encephalitis Malaria

Third Death Reported in Frankfurt Airport‑Linked Malaria Cluster

Tests of trapped mosquitoes and patient samples are pending in Antwerp after officials concluded infected mosquitoes likely arrived on aircraft.

Midwest States Confirm New Eastern Equine Encephalitis Cases in Horses

Two Frankfurt Airport Workers Die After Rare 'Airport Malaria' Cluster

U.S. Sees Widespread West Nile Surge as EEE Detected in Massachusetts

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

NYC Sees Large Rise in West Nile–Positive Mosquito Pools and Plans Targeted Spraying

Arizona Tops U.S. in West Nile Cases With Maricopa’s Fifth Death

Early West Nile Season Brings Spike in Infected Mosquitoes Nationwide

U.S. Health Officials Warn of Rising Tickborne Illnesses as Summer Begins

Assam Confirms Seven Japanese Encephalitis Deaths as AES Toll Hits 32

New Hampshire Outdoorsman Is Critically Ill With Rare Powassan Virus

Bavaria Reports More Than 500 Tick‑Related Infections This Year

UKHSA Confirms Two Probable Locally Acquired Tick‑Borne Encephalitis Cases

Texas Confirms First Human West Nile Case of 2026

Argentina Reports Localized Chikungunya and Dengue as Provinces Tighten Surveillance

Germany Expands Tick-Borne Encephalitis Risk Zones as 2025 Cases Climb

CDC Issues Level 2 Travel Alert for Bolivia Following Chikungunya Outbreaks

Tamil Nadu Issues Statewide Alert as Chikungunya Cases Climb

CDC Issues Level 2 Travel Alerts for Cuba, Bangladesh, Sri Lanka and China’s Guangdong Over Chikungunya

Andhra Pradesh Steps Up Scrub Typhus Response as Officials Report 774 Cases, 4 Deaths