What is documented
The first Havana reports date to late 2016. A US intelligence-community assessment published in January 2025 examines new information on reported incidents.
ARTISTIC ARCHIVE
2016Open
Anomalous health incidents
Reports of symptoms span varied incidents; the official assessment does not support a single foreign-attack account.
All cases ↗What it explains
Most agencies assess foreign-adversary involvement as very unlikely.
What remains open
No single cause has been established for every report; a finding about one episode does not automatically explain the rest.
PROVENANCE / SOURCE
Sources
ODNI, January 2025 assessment ↗Change log
2026-09-30 — Record published with a source and stated limits.