ANDES VIRUS
TRACKER

AAFP medical journal publishes outbreak summary: 65 US passengers monitored, 42-day incubation standard applied across all US states

Argentina expands Andes hantavirus investigation in Ushuaia region — probe into animal reservoir and transmission chain at outbreak origin site

Doctor who treated MV Hondius patients at Nebraska quarantine facility now self-quarantining in Oregon — healthcare worker exposure monitored

Texas passengers complete 42-day monitoring period — first major US cohort clears quarantine without developing illness

CDC situation summary updated: no confirmed US cases. Risk to American public assessed as extremely low.

18 US-exposed passengers repatriated to Nebraska federal quarantine facility — largest single US cohort monitored for Andes hantavirus

ECDC update: 13 total cases (11 confirmed, 2 probable), 3 deaths — 2 new cases since May 21. No new deaths. Outbreak day 28.

ECDC update: 11 total cases (9 confirmed, 2 probable), 3 deaths. No new cases reported since May 15.

MV Hondius docks in Rotterdam, Netherlands — 7-week, 8,500-mile journey ends

Ship disinfection begins — hazmat teams board MV Hondius in protective suits

All 23 remaining crew from 4 countries quarantined in Rotterdam in temporary facilities

Former passengers hospitalized or quarantined in 13 countries: Australia, Canada, France, Germany, Netherlands, Saint Helena, Singapore, South Africa, Spain, Switzerland, Turkey, USA

WHO issues updated Disease Outbreak Notice — total 11 cases across multiple countries

MV Hondius arrives Tenerife, Spain — remaining passengers disembark and repatriate

French passenger develops symptoms on repatriation flight from Saint Helena — confirmed case

Two asymptomatic passengers test positive after disembarking — one in USA, one in Spain

MV Hondius arrives in Tenerife, Spain — passengers face quarantine protocols

Dutch couple identified as source — contracted virus bird-watching in Ushuaia, Argentina before boarding

MV Hondius sailing toward Grandilla, Tenerife — expected arrival May 10, 2026

Six US states monitoring returning passengers: Texas, Georgia, Arizona, Virginia, California, New Jersey

Suspected case reported on Tristan da Cunha — remote island in South Atlantic

Experts believe outbreak aboard MV Hondius began before Antarctica departure

Virginia traveler linked to MV Hondius outbreak under monitoring — VDH

Swiss passenger tests positive — Andes strain confirmed

WHO issues Disease Outbreak Notice — multi-country cluster

Two additional cases confirmed, Andes strain identified

First deaths reported aboard MV Hondius near Cape Verde

First cases reported — initial cluster on MV Hondius