Havana syndrome
E412580
Havana syndrome is a set of unexplained medical symptoms, including hearing strange sounds and experiencing dizziness, headaches, and cognitive difficulties, first reported by U.S. and Canadian diplomats and intelligence officers in Cuba and later in other countries.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Havana syndrome canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4090070 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: Havana syndrome Context triple: [Embassy of the United States in Havana, associatedWith, Havana syndrome]
-
A.
Operation Pegasus
Operation Pegasus was a 1968 U.S.-led relief operation during the Vietnam War that broke the North Vietnamese siege of the Khe Sanh combat base.
-
B.
U-2 incident of 1960
The U-2 incident of 1960 was a Cold War crisis in which an American U-2 spy plane was shot down over the Soviet Union, severely damaging U.S.–Soviet relations and derailing a planned summit between their leaders.
-
C.
The Salisbury Poisonings
The Salisbury Poisonings is a British television drama miniseries that recounts the 2018 Novichok nerve agent attack in Salisbury and its impact on the local community and authorities.
-
D.
Operation Horseshoe (alleged)
Operation Horseshoe (alleged) is a purported Serbian military plan for the systematic expulsion of ethnic Albanians from Kosovo during the Kosovo War, whose existence and authenticity have been widely disputed.
-
E.
Missile Scare
Missile Scare is an alternative name for the Cuban Missile Crisis, the tense 1962 Cold War confrontation between the United States and the Soviet Union over nuclear missiles in Cuba.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Havana syndrome Target entity description: Havana syndrome is a set of unexplained medical symptoms, including hearing strange sounds and experiencing dizziness, headaches, and cognitive difficulties, first reported by U.S. and Canadian diplomats and intelligence officers in Cuba and later in other countries.
-
A.
Operation Pegasus
Operation Pegasus was a 1968 U.S.-led relief operation during the Vietnam War that broke the North Vietnamese siege of the Khe Sanh combat base.
-
B.
U-2 incident of 1960
The U-2 incident of 1960 was a Cold War crisis in which an American U-2 spy plane was shot down over the Soviet Union, severely damaging U.S.–Soviet relations and derailing a planned summit between their leaders.
-
C.
The Salisbury Poisonings
The Salisbury Poisonings is a British television drama miniseries that recounts the 2018 Novichok nerve agent attack in Salisbury and its impact on the local community and authorities.
-
D.
Operation Horseshoe (alleged)
Operation Horseshoe (alleged) is a purported Serbian military plan for the systematic expulsion of ethnic Albanians from Kosovo during the Kosovo War, whose existence and authenticity have been widely disputed.
-
E.
Missile Scare
Missile Scare is an alternative name for the Cuban Missile Crisis, the tense 1962 Cold War confrontation between the United States and the Soviet Union over nuclear missiles in Cuba.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
health incident pattern
ⓘ
medical phenomenon ⓘ |
| associatedWith |
Central Intelligence Agency
ⓘ
Department of Defense ⓘ
surface form:
U.S. Department of Defense
United States Department of State ⓘ
surface form:
U.S. Department of State
|
| firstReportedIn | 2016 ⓘ |
| hasControversy |
disputed etiology
ⓘ
possible foreign involvement ⓘ |
| hasFirstReportedCountry | Cuba ⓘ |
| hasFirstReportedLocation |
Havana, Cuba
ⓘ
surface form:
Havana
|
| hasHypothesizedCause |
directed energy weapons
ⓘ
mass psychogenic illness ⓘ microwave radiation ⓘ pesticide exposure ⓘ viral infection ⓘ |
| hasLongTermEffect |
chronic headaches
ⓘ
ongoing balance issues ⓘ persistent cognitive problems ⓘ |
| hasMediaCoverage | international news organizations ⓘ |
| hasOfficialTerm | anomalous health incidents ⓘ |
| hasSymptom |
balance problems
ⓘ
cognitive difficulties ⓘ difficulty concentrating ⓘ dizziness ⓘ ear pain ⓘ fatigue ⓘ headaches ⓘ hearing strange sounds ⓘ memory problems ⓘ nausea ⓘ sleep disturbances ⓘ tinnitus ⓘ |
| hasUncertainCause | true ⓘ |
| investigatedBy |
Centers for Disease Control and Prevention
ⓘ
Federal Bureau of Investigation ⓘ National Academies of Sciences, Engineering, and Medicine ⓘ United States Intelligence Community ⓘ
surface form:
U.S. intelligence community
|
| reportedInCountry |
Austria
ⓘ
China ⓘ Colombia ⓘ Cuba ⓘ Germany ⓘ India ⓘ Russia ⓘ United Kingdom ⓘ United States of America ⓘ
surface form:
United States
Uzbekistan ⓘ Viet Nam ⓘ
surface form:
Vietnam
|
| reportedInPopulation |
Canadian diplomats
ⓘ
United States diplomatic personnel ⓘ
surface form:
U.S. diplomats
U.S. intelligence officers ⓘ other government personnel ⓘ |
| usedBy | United States government ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: Havana syndrome Description of subject: Havana syndrome is a set of unexplained medical symptoms, including hearing strange sounds and experiencing dizziness, headaches, and cognitive difficulties, first reported by U.S. and Canadian diplomats and intelligence officers in Cuba and later in other countries.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.