Hantavirus Alert on Cruise Ship: What You Need to Know About the Deadly Virus and How to Protect Yourself

• Hantavirus Spread by Rodents
• Flu-Like Symptoms
• Outbreak Raises Health Alert

Hantavirus has once again triggered international concern following a suspected outbreak aboard a cruise ship traveling between Argentina and Cape Verde.

Although it is a rare disease, its potential severity has drawn attention to how it spreads, its symptoms, and prevention measures.

• Why it matters: While the overall risk remains low, the outbreak’s setting—a confined space like a cruise ship—has raised questions about how the virus may have spread and how vulnerable people are in similar environments.

Hantavirus: A Rare but Potentially Deadly Virus

It is suspected that hantavirus—a rare disease typically caused by exposure to urine or feces from infected rodents—is responsible for the deaths of three people aboard a cruise ship in the Atlantic Ocean.

According to the World Health Organization (WHO), one case of hantavirus has been confirmed, and five additional suspected cases are under investigation. The ship was traveling from Argentina to Cape Verde.

The WHO also stated that “there is no cause for alarm and the risk to the general population remains low,” although experts are still working to understand the origin of the Hantavirus outbreak.

Hantavirus is a group of viruses found in rodents in different parts of the world.

In humans, infection typically occurs by inhaling microscopic particles from rodent urine, saliva, or droppings.

Hantavirus Symptoms Can Be Mistaken for the Flu

Hantavirus often begins with non-specific symptoms, which can delay detection. However, the disease can progress quickly and become severe.

Main symptoms include:

• Sudden high fever
• Severe muscle aches
• Fatigue and general weakness
• Chills and headaches
• Cough and respiratory discomfort

As the illness progresses, it can worsen significantly:

• Severe breathing difficulty
• Fluid buildup in the lungs
• Organ failure
• Risk of death in severe cases

Transmission Linked to Infected Rodents

Hantavirus transmission is directly tied to exposure to rodents and their waste, especially in enclosed or contaminated environments.

Main routes of transmission include:

• Inhalation of contaminated particles from rodent urine or feces
• Contact with contaminated surfaces followed by touching the mouth or nose
• Exposure to saliva from infected rodents
• Bites or scratches (less common)

Key points:

• Person-to-person transmission is uncommon in most cases
• Risk increases in dusty or rodent-infested areas

The incubation period typically ranges from two to four weeks, but it can vary from a few days up to two months.

No Specific Treatment: Prevention Is Key

There is no specific treatment for hantavirus.

Doctors usually provide supportive care to manage symptoms, which may include oxygen therapy, mechanical ventilation, and even dialysis in severe cases.

In some instances, the antiviral drug ribavirin has been used experimentally.

For this reason, prevention remains the most important tool.

Authorities recommend avoiding contact with rodents and their waste, as well as sealing potential entry points in homes.

Proper cleaning of contaminated areas is also essential: waste should be soaked with disinfectant before removal to prevent particles from becoming airborne.

What Is Known About the Cruise Ship Outbreak?

The outbreak occurred aboard the MV Hondius, which departed from Ushuaia.

It is still unclear how the virus spread on the ship.

Investigations are ongoing, including laboratory testing and viral sequencing to determine its origin.

Experts note that the incubation period—up to eight weeks—raises the possibility that infections occurred before boarding, although other scenarios have not been ruled out.

• What’s Next: International health authorities will continue investigating the outbreak to determine its source and prevent additional cases.

At the same time, they are reinforcing prevention messages about a disease that, while rare, can be deadly.

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SOURCE: News Mundo / CNN