Hantavirus Watch

Hondius Andes Watch: The Exposure Clock

Friday, June 19, 2026 · 5 min

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MV Hondius Andes-virus cluster turns on the exposure clock: ECDC and CDC guidance frames who needs monitoring after contact with passengers, why symptoms matter, and why Andes virus draws special attention because rare person-to-person spread is documented.

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MV Hondius Andes-virus cluster turns on the exposure clock: ECDC and CDC guidance frames who needs monitoring after contact with passengers, why symptoms matter, and why Andes virus draws special attention because rare person-to-person spread is documented.

In this episode

  1. Step Back — For people who were on the Hondius or crossed paths with passengers, what’s the actual clock officials are watching — how long after exposure can Andes virus show up, and when can someone reasonably be taken off the worry list?

    Background sources

  2. Human-to-Human Transmission of Andes Virus Modeled in Syrian Hamsters - Volume 29, Number 10—October 2023 - Emerging Infectious Diseases journal - CDC — Emerging Infectious Diseases

    [Skip directly to site content](#content) [Skip directly to page options](#share-nav) [Skip directly to A-Z link](#az-large) [Skip directly to A-Z link](#az-medium) [Skip directly to A-Z link](#az-small) [Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People](https://www.cdc.gov) [Emerging Infectious Disease journal ISSN: 1080-6059](/eid/) #####…