Definition
Anomalous Health Incidents (AHI) is the U.S. government's official term for sudden onset neurological symptoms affecting government employees, military servicemembers, and their families worldwide. The term was adopted to replace "Havana Syndrome" which originated from media coverage of incidents at the U.S. Embassy in Cuba.
Key Characteristics
- Symptoms: Vertigo, imbalance, blurry vision, tinnitus, headache, hearing loss, nausea, cognitive dysfunction
- Onset Pattern: Sudden onset with no obvious cause
- Geographic Scope: Documented in Austria, China, Colombia, Georgia, Germany, India, Poland, Russia, Vietnam, and the United States
Official Documentation
The Government Accountability Office (GAO) noted in its July 2024 report that "such events have affected U.S. government employees, military servicemembers, and their families in countries around the world, and are now referred to as anomalous health incidents (AHI) by the U.S. government." As of January 2024, 334 people had qualified for care in the Military Health System.
Related Pages
- havana-syndrome-payment-program-2025 — Active compensation program under HAVANA Act for personnel with qualifying brain injuries from AHIs
- gaov-havana-syndrome-report-2024 — GAO report on military healthcare failures for Havana Syndrome patients, noting 334 qualified for care as of January 2024