411 REFERENCE · Wiktionary
Havana syndrome
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
From the first encounter being reported in en Havana, the capital of en Cuba.
Noun
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en pathology An illness of disputed cause, producing symptoms of vertigo, nausea, ear-popping, headaches and traumatic brain injury, experienced by US ambassadors and agents abroad.
en AHI<gloss:anomalous health incident><q:officially>
en Shaun Walker ‘Like a drill going into my eye’: why the mystery over Havana syndrome refuses to die the Guardian 2026-10-10 https://www.theguardian.com/us-news/ng-interactive/2026/oct/10/havana-syndrome-mystery-cia-russia Later, dozens of CIA officers around the world reported Havana syndrome episodes, which in official documents were called anomalous health incidents (AHIs).
Coordinate terms
en immaculate concussion
Translations
Chinese:
Cantonese: yue 夏灣拿綜合症
Mandarin: cmn 哈瓦那綜合症, cmn 哈瓦那症候群
Finnish: fi Havannan syndrooma
French: fr syndrome de La Havane m
German: de Havanna-Syndrom n
Russian: ru гава́нский синдро́м m
Spanish: es síndrome de La Habana m
en terms derived from toponyms