2026 Outbreak Timeline
2026 Hantavirus Outbreak Timeline
The 2026 hantavirus outbreak represents one of the most significant public health events in recent years. This timeline tracks the key developments and global response.
March 2026
March 30 — MV Hondius Departs
The Antarctic cruise ship MV Hondius departs from Ushuaia, Argentina, carrying 170 passengers and crew for a 10-day expedition to Antarctica.
April 2026
April 6 — First Case Detected
Case #1: A 70-year-old Dutch male passenger develops symptoms on board. He becomes the first fatality, dying on April 11 while the ship is near the Antarctic Peninsula.
April 13 — Ship Stops at Tristan da Cunha
The ship makes an emergency stop at Tristan da Cunha for medical evacuation. However, due to severe weather, evacuation is delayed.
April 24 — Multiple Cases Emerge
Cases #2 and #3: Two additional passengers (Dutch and British) develop symptoms. The ship is now in the South Atlantic, heading north toward Cape Verde.
April 26 — Second Fatality
Case #2: The 69-year-old Dutch female passenger (spouse of Case #1) dies in Johannesburg after being medically evacuated.
April 28 — Post-Mortem Discovery
Case #4: A 65-year-old German female passenger tests positive post-mortem. She had died on board on May 2, but testing confirms hantavirus infection.
May 2026
May 6 — Crew Members Affected
Cases #5 and #6: Two crew members (Dutch and British) test positive after being evacuated from Cape Verde to the Netherlands. They are hospitalized but in stable condition.
May 9 — International Spread
Cases #7-10: Passengers who had disembarked in Tenerife develop symptoms in their home countries:
May 11 — US Case Detected
Case #11: An American passenger is quarantined in Nebraska with an inconclusive test result. CDC monitors the situation closely.
Global Response
WHO Emergency Committee
The World Health Organization convenes an emergency committee on May 10, 2026, to assess the international spread of the Andes hantavirus strain.
Travel Advisories
Multiple countries issue travel advisories for the affected regions, particularly the South Atlantic route taken by MV Hondius.
Enhanced Screening
Airports in affected countries implement enhanced health screening for passengers arriving from the South Atlantic region.