{"lastUpdated":"2026-05-30T22:00:00+08:00","lastVerifiedAt":"2026-05-30T22:00:00+08:00","sourceName":"WHO Disease Outbreak News (DON604), 28 May 2026","sourceUrl":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON604","confirmed":11,"probable":2,"suspected":0,"inconclusive":0,"deaths":3,"monitoringPeriodDays":42,"monitoringEndsAt":"2026-06-21","notes":"Manual tracker dataset for the MV Hondius Andes virus outbreak. Latest headline count from WHO DON604 (data as of 27 May 2026): 13 total cases, including 11 laboratory-confirmed Andes virus infections and 2 probable cases, with 3 deaths (case fatality ratio 23%). Since the 13 May WHO update, three additional confirmed cases were reported (one each from Canada, the Netherlands, and Spain); a previously inconclusive U.S. case tested negative on 15 May and was removed from the count. More than 600 contacts (53% high-risk, 47% low-risk) are monitored across 32 countries, territories and areas. The effective reproduction number (Rt) was estimated at 0.7 as of 22 May 2026, indicating declining transmission. WHO recommends monitoring through 21 June 2026.","cases":[{"id":"HND-2026-001","status":"confirmed","nationality":"not publicly disclosed","ageRange":"not publicly disclosed","symptomOnset":"2026-04-06 to 2026-04-28","hospital":"not publicly disclosed","outcome":"deceased","sources":["src-who-speech-2026-05-12","src-who-don-2026-05-08"]},{"id":"HND-2026-002","status":"confirmed","nationality":"not publicly disclosed","ageRange":"not publicly disclosed","symptomOnset":"2026-04-06 to 2026-04-28","hospital":"not publicly disclosed","outcome":"deceased","sources":["src-who-speech-2026-05-12","src-who-don-2026-05-08"]},{"id":"HND-2026-003","status":"probable","nationality":"not publicly disclosed","ageRange":"not publicly disclosed","symptomOnset":"2026-04-06 to 2026-04-28","hospital":"not publicly disclosed","outcome":"deceased","sources":["src-who-speech-2026-05-12","src-who-don-2026-05-08"]},{"id":"HND-2026-004","status":"confirmed","nationality":"not publicly disclosed","ageRange":"not publicly disclosed","symptomOnset":"2026-04-06 to 2026-04-28","hospital":"Netherlands, medical evacuation case","outcome":"under medical care","sources":["src-who-don-2026-05-08"]},{"id":"HND-2026-005","status":"confirmed","nationality":"not publicly disclosed","ageRange":"not publicly disclosed","symptomOnset":"2026-04-06 to 2026-04-28","hospital":"Netherlands, medical evacuation case","outcome":"under medical care","sources":["src-who-don-2026-05-08"]},{"id":"HND-2026-006","status":"confirmed","nationality":"not publicly disclosed","ageRange":"not publicly disclosed","symptomOnset":"not publicly disclosed","hospital":"not publicly disclosed","outcome":"isolated under medical supervision","sources":["src-who-speech-2026-05-12"]},{"id":"HND-2026-007","status":"confirmed","nationality":"not publicly disclosed","ageRange":"not publicly disclosed","symptomOnset":"not publicly disclosed","hospital":"not publicly disclosed","outcome":"isolated under medical supervision","sources":["src-who-speech-2026-05-12"]},{"id":"HND-2026-008","status":"confirmed","nationality":"France","ageRange":"not publicly disclosed","symptomOnset":"2026-05-11","hospital":"France, intensive care","outcome":"critical care reported","sources":["src-ecdc-press-2026-05-11"]},{"id":"HND-2026-009","status":"confirmed","nationality":"Spain","ageRange":"not publicly disclosed","symptomOnset":"not publicly disclosed","hospital":"Military hospital in Madrid, Spain","outcome":"quarantined under medical supervision","sources":["src-who-speech-2026-05-12"]},{"id":"HND-2026-011","status":"probable","nationality":"not publicly disclosed","ageRange":"not publicly disclosed","symptomOnset":"not publicly disclosed","hospital":"not publicly disclosed","outcome":"isolated under medical supervision","sources":["src-who-speech-2026-05-12"]},{"id":"HND-2026-012","status":"confirmed","nationality":"Canada","ageRange":"not publicly disclosed","symptomOnset":"mild symptoms reported publicly","hospital":"Canada, isolated in hospital","outcome":"laboratory-confirmed by PHAC; no further Canadian cases identified as of 17 May","sources":["src-phac-andes-2026-05-17","src-ecdc-outbreak-2026-05-18"]},{"id":"HND-2026-013","status":"confirmed","nationality":"Netherlands","ageRange":"not publicly disclosed","symptomOnset":"identified during contact follow-up","hospital":"not publicly disclosed","outcome":"confirmed by routine weekly testing of high-risk contacts (WHO DON604, 28 May)","sources":["src-who-don-2026-05-28"]},{"id":"HND-2026-014","status":"confirmed","nationality":"Spain","ageRange":"not publicly disclosed","symptomOnset":"identified during contact follow-up","hospital":"not publicly disclosed","outcome":"confirmed by routine weekly testing of high-risk contacts (WHO DON604, 28 May)","sources":["src-who-don-2026-05-28"]}],"ship":{"name":"MV Hondius","operator":"Oceanwide Expeditions","flag":"Netherlands","lastKnownStatus":"Following passenger disembarkation and repatriation, MV Hondius arrived in Rotterdam with 27 crew members on board.","lastKnownStatusAt":"2026-05-18","route":[{"date":"2026-04-01","location":"Ushuaia, Argentina","lat":-54.8019,"lng":-68.303,"event":"Reported voyage departure point for Antarctic and Atlantic itinerary.","sourceUrl":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON599"},{"date":"2026-04-06","location":"South Atlantic voyage segment","lat":-51,"lng":-45,"event":"Earliest illness onset date reported in WHO outbreak notice.","sourceUrl":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON599"},{"date":"2026-05-02","location":"MV Hondius, South Atlantic","lat":-22,"lng":-25,"event":"Cluster of severe respiratory illness reported to WHO.","sourceUrl":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON599"},{"date":"2026-05-06","location":"Cabo Verde","lat":14.933,"lng":-23.5133,"event":"Medical evacuation of suspected and confirmed patients.","sourceUrl":"https://www.who.int/news/item/07-05-2026-who-s-response-to-hantavirus-cases-linked-to-a-cruise-ship"},{"date":"2026-05-10","location":"Port of Granadilla, Tenerife, Canary Islands","lat":28.0833,"lng":-16.5167,"event":"MV Hondius arrived for disembarkation and repatriation operations.","sourceUrl":"https://www.ecdc.europa.eu/en/infectious-disease-topics/hantavirus-infection/surveillance-and-updates/andes-hantavirus-outbreak"},{"date":"2026-05-12","location":"En route to the Netherlands","lat":43,"lng":-10,"event":"WHO stated the ship was on its way to the Netherlands after passengers left Tenerife.","sourceUrl":"https://www.who.int/news-room/speeches/item/who-director-general-s-opening-remarks-at-the-media-briefing-on-hantavirus---12-may-2026"},{"date":"2026-05-18","location":"Rotterdam, Netherlands","lat":51.9244,"lng":4.4777,"event":"ECDC reported that MV Hondius arrived in Rotterdam with 27 crew members on board.","sourceUrl":"https://www.ecdc.europa.eu/en/infectious-disease-topics/hantavirus-infection/surveillance-and-updates/andes-hantavirus-outbreak"}]},"passengerStatus":{"confirmed":11,"probable":2,"inconclusive":0,"deaths":3,"repatriated":122,"monitoring":122,"crewOnboard":27,"estimatedFields":["repatriated","monitoring"],"sourceIds":["src-who-don-2026-05-28","src-who-speech-2026-05-12","src-ecdc-outbreak-2026-05-18"],"note":"Case totals use WHO DON604 (data as of 27 May 2026): 13 total cases, 11 confirmed, 2 probable, 3 deaths. More than 600 contacts (53% high-risk, 47% low-risk) are monitored across 32 countries, territories and areas. Repatriated and monitoring numbers are tracker operational estimates from public WHO/ECDC updates."},"timeline":[{"date":"2026-04-06","title":"Earliest reported illness onset","detail":"WHO later reported illness onset among cases occurred between 6 and 28 April 2026.","sources":["src-who-don-2026-05-04"],"href":"/incubation"},{"date":"2026-05-02","title":"WHO notified of cluster","detail":"A cluster of severe respiratory illness aboard MV Hondius was reported to WHO.","sources":["src-who-don-2026-05-04"],"href":"/cruise/mv-hondius"},{"date":"2026-05-04","title":"WHO publishes first Disease Outbreak News","detail":"WHO reported seven cases, including two laboratory-confirmed hantavirus cases and three deaths.","sources":["src-who-don-2026-05-04"],"href":"/case-definitions"},{"date":"2026-05-06","title":"CDC issues MV Hondius statement","detail":"CDC said the risk to the American public was extremely low and linked readers to hantavirus and Andes virus information.","sources":["src-cdc-hondius-2026-05-06"],"href":"/cases/united-states"},{"date":"2026-05-08","title":"WHO update identifies Andes virus","detail":"WHO reported eight total cases, including six confirmed and two probable cases, with all confirmed cases identified as Andes virus.","sources":["src-who-don-2026-05-08"],"href":"/andes-virus"},{"date":"2026-05-10","title":"MV Hondius arrives in Tenerife","detail":"The ship arrived at the port of Granadilla, Tenerife, for disembarkation and repatriation.","sources":["src-ecdc-outbreak-2026-05-14"],"href":"/cruise/mv-hondius"},{"date":"2026-05-12","title":"WHO reports 11 cases and 3 deaths","detail":"WHO reported 11 cases among passengers or crew: 9 confirmed Andes virus infections, 2 probable cases, and 3 deaths.","sources":["src-who-speech-2026-05-12"],"href":"/cruise/mv-hondius"},{"date":"2026-05-14","title":"ECDC daily update keeps total at 11 cases","detail":"ECDC reported 11 total cases: 8 confirmed, 2 probable, 1 inconclusive, 0 suspected, and 3 deaths, with no new cases or deaths since the previous update.","sources":["src-ecdc-outbreak-2026-05-14"],"href":"/case-definitions"},{"date":"2026-05-15","title":"Australian passengers land for quarantine","detail":"Australian CDC reported that six MV Hondius passengers landed at RAAF Base Pearce and moved to the Bullsbrook Centre for National Resilience; none had tested positive at the time of the update.","sources":["src-aus-cdc-hondius-2026-05-15"],"href":"/cases/australia"},{"date":"2026-05-16","title":"Canada reports one presumptive positive case","detail":"PHAC reported one presumptive positive Andes virus case among returning Canadian passengers, with the traveller isolated in hospital and clinically stable.","sources":["src-phac-andes-2026-05-16"],"href":"/cases/canada"},{"date":"2026-05-17","title":"Canada confirms the MV Hondius-linked case","detail":"PHAC confirmed one Canadian MV Hondius passenger positive through laboratory testing; a travelling partner tested negative and no further Canadian cases had been identified.","sources":["src-phac-andes-2026-05-17"],"href":"/cases/canada"},{"date":"2026-05-18","title":"ECDC keeps total at 12 cases","detail":"ECDC reported 12 total cases: 9 confirmed, 2 probable, 1 inconclusive, 0 suspected, and 3 deaths, with no new deaths since the previous update.","sources":["src-ecdc-outbreak-2026-05-18"],"href":"/response-tracker"},{"date":"2026-05-18","title":"MV Hondius arrives in Rotterdam","detail":"ECDC reported that MV Hondius arrived in Rotterdam with 27 crew members on board after passenger disembarkation and repatriation.","sources":["src-ecdc-outbreak-2026-05-18"],"href":"/cases/netherlands"},{"date":"2026-05-28","title":"WHO DON604: 13 cases, 3 deaths, Rt 0.7","detail":"WHO published its fourth Disease Outbreak News. As of 27 May 2026, 13 total cases (11 laboratory-confirmed Andes virus, 2 probable) and 3 deaths (case fatality ratio 23%) were reported. Three additional confirmed cases since 13 May (one each from Canada, the Netherlands, and Spain, identified through contact follow-up and routine weekly testing); a previously inconclusive U.S. case tested negative on 15 May and was removed from the count. More than 600 contacts (53% high-risk) are monitored across 32 countries, territories and areas. The effective reproduction number was estimated at 0.7 as of 22 May, indicating declining transmission.","sources":["src-who-don-2026-05-28"],"href":"/cruise/mv-hondius"}],"sources":[{"id":"src-who-speech-2026-05-12","name":"WHO Director-General's opening remarks at the media briefing on hantavirus – 12 May 2026","url":"https://www.who.int/news-room/speeches/item/who-director-general-s-opening-remarks-at-the-media-briefing-on-hantavirus---12-may-2026","publisher":"World Health Organization","date":"2026-05-12"},{"id":"src-who-don-2026-05-08","name":"Hantavirus cluster linked to cruise ship travel, Multi-country","url":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON600","publisher":"World Health Organization","date":"2026-05-08"},{"id":"src-who-don-2026-05-04","name":"Hantavirus cluster linked to cruise ship travel, Multi-country","url":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON599","publisher":"World Health Organization","date":"2026-05-04"},{"id":"src-who-factsheet-2026-05-06","name":"Hantavirus fact sheet","url":"https://www.who.int/news-room/fact-sheets/detail/hantavirus","publisher":"World Health Organization","date":"2026-05-06"},{"id":"src-ecdc-outbreak-2026-05-14","name":"Andes hantavirus outbreak in cruise ship, 14 May 2026","url":"https://www.ecdc.europa.eu/en/infectious-disease-topics/hantavirus-infection/surveillance-and-updates/andes-hantavirus-outbreak","publisher":"European Centre for Disease Prevention and Control","date":"2026-05-14"},{"id":"src-ecdc-outbreak-2026-05-17","name":"Andes hantavirus outbreak in cruise ship, 17 May 2026","url":"https://www.ecdc.europa.eu/en/infectious-disease-topics/hantavirus-infection/surveillance-and-updates/andes-hantavirus-outbreak","publisher":"European Centre for Disease Prevention and Control","date":"2026-05-17"},{"id":"src-ecdc-outbreak-2026-05-18","name":"Andes hantavirus outbreak in cruise ship, 18 May 2026","url":"https://www.ecdc.europa.eu/en/infectious-disease-topics/hantavirus-infection/surveillance-and-updates/andes-hantavirus-outbreak","publisher":"European Centre for Disease Prevention and Control","date":"2026-05-18"},{"id":"src-ecdc-press-2026-05-11","name":"Andes hantavirus outbreak: ECDC continues working on the frontline to support EU Member States","url":"https://www.ecdc.europa.eu/en/news-events/andes-hantavirus-outbreak-ecdc-continues-working-frontline-support-eu-member-states","publisher":"European Centre for Disease Prevention and Control","date":"2026-05-11"},{"id":"src-ecdc-facts","name":"Factsheet on orthohantavirus infections","url":"https://www.ecdc.europa.eu/en/hantavirus-infection/facts","publisher":"European Centre for Disease Prevention and Control","date":"2026-05-06"},{"id":"src-cdc-hantavirus","name":"About Hantavirus","url":"https://www.cdc.gov/hantavirus/","publisher":"Centers for Disease Control and Prevention","date":"2024-05-13"},{"id":"src-cdc-andes","name":"About Andes Virus","url":"https://www.cdc.gov/hantavirus/about/andesvirus.html","publisher":"Centers for Disease Control and Prevention","date":"2026-05-07"},{"id":"src-cdc-hondius-2026-05-06","name":"Statement on the M/V Hondius Cruise Ship","url":"https://www.cdc.gov/media/releases/2026-hantavirus-confirmed-cruise-ship.html","publisher":"Centers for Disease Control and Prevention","date":"2026-05-06"},{"id":"src-cdc-situation-2026-05-12","name":"Andes Virus Outbreak on a Cruise Ship: Current Situation","url":"https://www.cdc.gov/hantavirus/situation-summary/index.html","publisher":"Centers for Disease Control and Prevention","date":"2026-05-14"},{"id":"src-cdc-prevention","name":"Hantavirus Prevention","url":"https://www.cdc.gov/hantavirus/prevention/index.html","publisher":"Centers for Disease Control and Prevention","date":"2024-05-13"},{"id":"src-cdc-clinical-overview","name":"Clinical Overview of Hantavirus","url":"https://www.cdc.gov/hantavirus/hcp/clinical-overview/index.html","publisher":"Centers for Disease Control and Prevention","date":"2024-05-13"},{"id":"src-cdc-andes-interim-guidance-2026-05-14","name":"Interim Guidance for Public Health Assessment and Management of People with Potential Exposure to Andes Virus","url":"https://www.cdc.gov/hantavirus/php/emergency-guidance/index.html","publisher":"Centers for Disease Control and Prevention","date":"2026-05-14"},{"id":"src-ukhsa-cruise-2026-05-12","name":"What you need to know about the hantavirus outbreak linked to the Dutch cruise ship","url":"https://ukhsa.blog.gov.uk/2026/05/12/what-you-need-to-know-about-the-hantavirus-outbreak-linked-to-the-dutch-cruise-ship/","publisher":"UK Health Security Agency","date":"2026-05-12"},{"id":"src-govuk-ukhsa-update-2026-05-12","name":"UKHSA update on the hantavirus cruise ship outbreak","url":"https://www.gov.uk/government/news/ukhsa-update-on-the-hantavirus-cruise-ship-outbreak","publisher":"UK Health Security Agency","date":"2026-05-12"},{"id":"src-govuk-hantaviruses","name":"Hantaviruses","url":"https://www.gov.uk/guidance/hantaviruses","publisher":"Public Health England","date":"2008-09-11"},{"id":"src-nhs-hantavirus","name":"Hantavirus","url":"https://www.nhs.uk/conditions/hantavirus/","publisher":"NHS","date":"2026-05-12"},{"id":"src-aus-cdc-hondius-2026-05-15","name":"MV Hondius passengers returning to Australia","url":"https://www.cdc.gov.au/newsroom/news-and-articles/mv-hondius-passengers-land-australia","publisher":"Australian Centre for Disease Control","date":"2026-05-15"},{"id":"src-phac-andes-2026-05-16","name":"Media update on Andes hantavirus situation","url":"https://www.canada.ca/en/public-health/news/2026/05/media-update-on-andes-hantavirus-situation0.html","publisher":"Public Health Agency of Canada","date":"2026-05-16"},{"id":"src-phac-andes-2026-05-17","name":"Media update on Andes hantavirus situation","url":"https://www.canada.ca/en/public-health/news/2026/05/media-update-on-andes-hantavirus-situation1.html","publisher":"Public Health Agency of Canada","date":"2026-05-17"},{"id":"src-who-don-2026-05-28","name":"Hantavirus outbreak linked to cruise ship travel, Multi-locations (DON604)","url":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON604","publisher":"World Health Organization","date":"2026-05-28"},{"id":"src-vial-2006-incubation","name":"Incubation Period of Hantavirus Cardiopulmonary Syndrome (Vial PA, et al.)","url":"https://wwwnc.cdc.gov/eid/article/12/8/05-1127_article","publisher":"CDC Emerging Infectious Diseases","date":"2006-08-01"}]}