Expedition cruises, island hopping, and zoonotic risk: governance and operational lessons from the MV Hondius Andes hantavirus outbreak - Summary - MDSpire
To analyze the Andes orthohantavirus outbreak linked to the MV Hondius expedition cruise and identify governance and operational gaps in outbreak preparedness for expedition travel.
Approach:
Case Study Analysis: Utilized the MV Hondius outbreak as a case study to assess the intersection of zoonotic exposure and public health challenges in expedition cruises.
Evaluation of Existing Guidelines: Reviewed International Health Regulations, WHO ship-event guidance, and ECDC recommendations to identify gaps in their application to expedition-specific contexts.
Key Findings:
The outbreak involved 13 reported cases and three deaths, with a case fatality ratio of 25%.
Limited person-to-person transmission of Andes virus was documented, which is atypical for orthohantaviruses.
Critical vulnerabilities were identified, including the absence of binding protocols for medical evacuation and a lack of standardized passenger traceability systems.
Interpretation:
The MV Hondius outbreak illustrates the complexities of managing zoonotic diseases in the context of expedition travel.
Limitations:
The analysis is based on a single outbreak case study, which may limit generalizability.
Existing guidelines may not be fully operationalized in remote expedition contexts.
Conclusion:
The outbreak underscores the importance of establishing enforceable preparedness arrangements for expedition cruises.
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