WHO Confirms Eight Cases of Andes Hantavirus in Cruise Ship Outbreak
The World Health Organization has confirmed eight cases of Andes hantavirus among passengers and crew of the MV Hondius cruise ship. Three people have died from the infection. The outbreak has raised concerns among travelers and health officials worldwide.
Andes hantavirus is a rare but serious illness. It is usually spread through contact with rodents or their droppings. The virus can cause hantavirus pulmonary syndrome, which affects the lungs and can be fatal. Symptoms often start with fever, muscle aches, and fatigue. They can quickly progress to severe breathing problems.
The MV Hondius is an expedition cruise ship that operates in remote areas. The ship had been traveling through regions where hantavirus is uncommon. Health authorities are now investigating how the virus spread on board. The origin of the outbreak remains unknown. Officials are testing samples from the ship and interviewing passengers to trace the source.
What Is Andes Hantavirus?
Andes hantavirus is a specific strain of hantavirus found mainly in South America. It is different from other hantaviruses because it can spread from person to person in rare cases. Most hantaviruses only spread from rodents to humans. This makes the Andes strain more concerning for public health officials.
The virus is carried by certain types of rodents, especially the long-tailed pygmy rice rat. People can get infected by breathing in dust that contains virus particles from rodent urine, droppings, or saliva. Direct contact with rodents or their nests can also lead to infection. In very rare cases, close contact with an infected person may transmit the virus.
Public Health Risk Assessment
The WHO has assessed the public health risk as moderate for passengers and crew who were on the MV Hondius. For the general global population, the risk remains low. This means the outbreak is unlikely to spread widely beyond the ship. However, health officials are monitoring the situation closely.
Authorities have contacted all passengers who were on the ship during the outbreak. They are advising them to watch for symptoms for up to six weeks. Symptoms of hantavirus infection can take one to five weeks to appear after exposure. Early symptoms include fever, headache, and muscle pain. Later symptoms include coughing and shortness of breath.
There is no specific treatment for hantavirus infection. Patients usually receive supportive care in a hospital. This may include oxygen therapy or mechanical ventilation to help with breathing. Early medical attention is critical for survival.
Background on Hantavirus Outbreaks
Hantavirus outbreaks are rare but have occurred in various parts of the world. The most well-known outbreak happened in 1993 in the Four Corners region of the United States. That outbreak was linked to deer mice and caused several deaths. Since then, cases have been reported in the Americas, Europe, and Asia.
Andes hantavirus has caused outbreaks in Argentina and Chile in the past. In 2018, an outbreak in Argentina infected several people and led to multiple deaths. Person-to-person transmission was documented during that outbreak. This is why health officials take Andes hantavirus very seriously.
For cruise ships, outbreaks of infectious diseases are a known risk. Close quarters and shared facilities can help viruses spread. However, hantavirus outbreaks on ships are extremely uncommon. This is the first known outbreak of Andes hantavirus on a cruise ship.
What Travelers Should Know
Travelers planning cruises to remote areas should check health advisories before departure. The WHO and national health agencies provide updates on disease outbreaks. Passengers should also practice good hygiene and avoid contact with rodents or their droppings.
If you have been on the MV Hondius or have symptoms after travel, seek medical help immediately. Tell your doctor about your travel history. Early diagnosis can improve the chances of recovery. Health officials are working to contain the outbreak and prevent further cases.
The investigation into the source of the outbreak continues. Authorities are testing the ship and its surroundings for rodent activity. They are also checking if any passengers brought contaminated items on board. Until the source is found, health officials will remain vigilant.

