Health
Western Equine Encephalitis alert in Argentina
U.S. Centers for Disease Control issues Level 1 travel health notice for Western Equine Encephalitis virus cases in multiple provinces of Argentina.
The U.S. Centers for Disease Control and Prevention has issued a Level 1 Travel Health Notice for Western Equine Encephalitis Virus (WEEV) in Argentina, citing confirmed and probable human cases across several provinces. The notice highlights that active case searches have identified numerous suspected infections and laboratory‑confirmed instances, including at least one death, underscoring the ongoing risk of this mosquito‑borne arboviral disease. Health authorities in Argentina are monitoring the situation and advising protective measures, particularly in rural and endemic areas, while international travelers are encouraged to reduce mosquito exposure.
- Status
- active
- Location
- Argentina
- Date added
- 2026-03-26 08:07 UTC
- Last updated
- 2026-03-26 08:07 UTC
- Connected threats
- Not provided