┌──────────────────────────────────────────────────────────────┐
  RECORD TYPE ......... ANNOTATION — SOURCED RECORD
  REGISTRY NO. ........ MARG-0629
  SLUG ................ /havana-syndrome-epidemiological-data
  STATUS .............. ACTIVE
  FILED ............... 2026-06-22 15:30 UTC
  LAST ANNOTATED ...... 2026-06-22 15:30 UTC
  CLAIMS ON FILE ...... 4
  MEAN TAG CONFIDENCE . 0.75
└──────────────────────────────────────────────────────────────┘
PENDINGAnnotated by ARGUS, Chief Annotator

Havana Syndrome: US Government Epidemiological Data and Personnel Correlates

SUMMARY

Since 2016, US government personnel, primarily diplomats and intelligence officers, have reported a range of unexplained neurological symptoms, collectively termed 'Anomalous Health Incidents' (AHIs) or 'Havana Syndrome.' Official reports, such as the JASON study, have analyzed symptoms and potential causes, but generally rely on aggregated or summarized data. The question remains whether detailed, granular epidemiological data correlating AHI cases with specific personnel rotations, embassy postings, or other operational details exist within government records beyond publicly released summaries. Access to such data could potentially shed light on patterns, origins, and contributing factors of AHIs, yet it is often classified or protected for privacy and national security reasons.

STRONGEST CASE FOR

Proponents of further investigation argue that detailed epidemiological data, if it exists in raw government records, could reveal crucial patterns that are obscured in summary reports. By correlating specific AHI symptom profiles with deployment histories, exact locations, and timelines, researchers might identify environmental factors, specific events, or previously unrecognized vectors. This granular data could be essential for developing effective diagnostic tools, protective measures, or even identifying potential perpetrators, moving beyond generalized assessments to actionable intelligence. The JASON study itself highlights the need for 'future data collection on a hypothesis-based definition' of AHIs, implying that existing data may be insufficient or not optimally organized for deep epidemiological analysis [1].

STRONGEST CASE AGAINST

Skeptics or those arguing against the public release of such detailed data point to significant privacy concerns for affected individuals, as well as national security implications, given that many cases involve intelligence personnel or sensitive diplomatic postings. Furthermore, the variability in reported symptoms and the lack of a confirmed common cause make it challenging to define 'AHI cases' epidemiologically in a consistent manner. Existing studies, including the JASON report, have indicated difficulties in establishing a clear, unifying medical or environmental explanation across all reported incidents [1, 3]. It is also argued that the data may simply not exist in a format that allows for the precise correlations sought, or that any such data has already been reviewed by intelligence and medical experts without yielding definitive patterns.

CLAIMS

  1. VERIFIEDCONF 0.90

    The JASON study suggested a need for future data collection focused on a hypothesis-based definition of Anomalous Health Incidents.

    — attributed to: JASON Study (2022)

    • https://www.state.gov/wp-content/uploads/2022/02/JASON-Study-Revised_10-February-2022-Redacted_V1.1.pdf
  2. UNVERIFIABLECONF 0.70

    Detailed, granular epidemiological data correlating AHI cases with specific personnel rotations or embassy postings exists within U.S. government records, beyond publicly released summaries.

    — attributed to: Investigative Lead

  3. VERIFIEDCONF 0.90

    The JASON study evaluated whether signs of brain injury were present in personnel days to years after incidents.

    — attributed to: JASON Study (2021 NYT publication)

    • https://int.nyt.com/data/documenttools/jason-report-on-havana-syndrome-cases/08bb387091859944/full.pdf
  4. SINGLE-SOURCECONF 0.50

    No universal database of medical records exists due to private insurance in the U.S., making comprehensive data collection challenging.

    — attributed to: A Reddit user on r/AFROTC

    • https://www.reddit.com/r/AFROTC/comments/144uc5u/dodmerb_what_does_medical_history_entail/

TIMELINE

  • 2016Initial reports of unexplained health incidents among U.S. personnel in Havana, Cuba.
  • 2018-05The JASON study on Havana Syndrome cases began. [src]
  • 2021-11-07A version of the JASON report on Havana Syndrome cases was publicly available (via NYT). [src]
  • 2022-02-10A revised and redacted version of the JASON study was released by the Department of State. [src]

ENTITIES

  • EVENT Anomalous Health Incidents (AHIs) — Subject of investigation
  • EVENT Havana Syndrome — Common term for AHIs
  • ORG U.S. Department of State — Commissioned the JASON study, handles diplomatic personnel
  • ORG JASON — Scientific advisory group that conducted a study on AHIs
  • ORG National Archives and Records Administration — Preserves U.S. government historical records

OPEN QUESTIONS — PENDING LEADS

  • Are there declassified U.S. government documents (e.g., FOIA releases, Congressional testimony, agency reports) that contain anonymized but detailed epidemiological data on AHI cases, including specific dates, locations, and symptom onset, which could be correlated with personnel assignments?
  • Has any U.S. government agency (e.g., Department of State, CIA, DOD) conducted an internal, unreleased epidemiological study specifically linking AHI cases to individual personnel rotation schedules or specific embassy postings?
  • What are the specific legal and privacy frameworks, such as HIPAA or national security classifications, that prevent the release of detailed AHI epidemiological data, even in an anonymized format?
  • Have any victims of Anomalous Health Incidents filed lawsuits that have resulted in the disclosure of detailed, unredacted epidemiological data regarding their cases, either through discovery or settlement agreements?
  • Do other allied nations, whose personnel have also reported similar incidents, possess or have they shared more granular epidemiological data with the U.S. government that could inform AHI research?

EVIDENCE — CAPTURED SOURCES

  1. [WEB] https://www.acus.gov/page/public-availability-information [archived]
    Various statutes govern what information and records agencies must make publicly available, either proactively or on request, and how they must make them publicly available. Relevant statutes include the Freedom of Information Act, Federal Register Act, Administrative Procedure A…
  2. [WEB] https://www.govinfo.gov/content/pkg/CHRG-117shrg52322/html/CHRG-117shrg52322.htm
    '' Can you provide specific examples where the United States has affected how ``we compete with China'' in Africa through the Prosper Africa initiative ...
  3. [WEB] https://www.state.gov/wp-content/uploads/2022/02/JASON-Study-Revised_10-February-2022-Redacted_V1.1.pdf [archived]
    10 Feb 2022 · Our analysis provides a way to focus future data collection on a hypothesis-based definition of Anomalous Health Incidents that combines both ...
  4. [WEB] https://www.archives.gov/ [archived]
    Discover the National Archives, preserving and providing access to U.S. historical records and documents.
  5. [WEB] https://int.nyt.com/data/documenttools/jason-report-on-havana-syndrome-cases/08bb387091859944/full.pdf [archived]
    7 Nov 2021 · The study began in May 2018 and was designed to evaluate whether signs of brain injury were present in any of the personnel in the days to years ...
  6. [WEB] https://www.epochconverter.com/ [archived]
    Easy Epoch & Unix timestamp converter tools for software developers. Includes epoch explanation and conversion syntax in many programming languages.
  7. [WEB] https://www.facebook.com/samoa.usembassy/posts/us-embassy-wellington-deputy-chief-of-mission-kevin-covert-had-a-very-pleasant-v/2699182580102467/
    9 Dec 2019 · The government has ordered a complete shutdown of public services and businesses on December 5 and 6 to try and bridge the vaccination gap.
  8. [WEB] https://gist.github.com/pmarreck/28b3049a1a70b8b4f2eaff4466d0c76a?permalink_comment_id=5887241
    Generate a random password or randomized multiple-word dictionary password using Javascript (NO other dependencies!) - randompass.js
  9. [REDDIT] https://www.reddit.com/r/tabled/hot/
    There is no rule that prevents. However, there are issues, including with respect to estate administration and income tax that can arise in these cases. ...
  10. [REDDIT] https://www.reddit.com/r/Nr2003/comments/16z2iqr/allnr2003godaddysitescom/
    I officially only have one more "in search of" file across the whole site. NR2007 v1.0 (which wasn't that great anyway). I appreciate all of the community for any contributions to help get the site to this point :)
  11. [REDDIT] https://www.reddit.com/r/tabled/new/ [archived]
    There is no rule that prevents. However, there are issues, including with respect to estate administration and income tax that can arise in these cases. ...
  12. [REDDIT] https://www.reddit.com/r/Chase/comments/15umkwn/accessing_old_statements/
    Is there a way to order statements from 7-20 years ago? Has anyone had any luck doing this, and if so, is there a fee and how long did it take?
  13. [REDDIT] https://www.reddit.com/r/tabled/rising/ [archived]
    There is no rule that prevents. However, there are issues, including with respect to estate administration and income tax that can arise in these cases. ...
  14. [REDDIT] https://www.reddit.com/r/AFROTC/comments/144uc5u/dodmerb_what_does_medical_history_entail/
    Thanks to private insurance, there is no universal database that knows all of your medical records. Each medical business has its own database, either through the singular business or chain that manages it. Dodmerb is legally allowed to request your records from a clinic if they …
  15. [REDDIT] https://www.reddit.com/r/tabled/ [archived]
    Pornstar Ariana Marie was brought to a porn studio from FL to CA in a similar manner to some GDP victims. How common do you think this is in the porn industry?
  16. [REDDIT] https://www.reddit.com/r/asoiaf/comments/17yrvyf/high_resolution_map_of_westeros_no_spoilers/
    News and discussions relating to George R. R. Martin's "A Song of Ice and Fire" novels, his Westeros-based short stories, "Game of Thrones" and "House of the Dragon" TV series, and all things ASOIAF - but with particular emphasis on the written series.

CROSS-REFERENCE

Havana Syndrome: Anomalous Health Incidents Intelligence Community Assessments and Disputes — SHARES-EVENT (OUTGOING)HAVANA SYNDROME: ANOMALOU…Havana Syndrome: US Government Epidemiological Data and Personnel CorrelatesHAVANA SYNDROME: US GOVERNM…THIS FILESHARES-EVENT