...What happened on the ship?

The cruise ship MV Hondius departed from South America with tourists and crew from 23 countries. In late April, several passengers developed symptoms of a severe respiratory infection: high fever, cough, breathing difficulties, and extreme weakness. Deaths were soon recorded.

Later, laboratories confirmed that the cause was Andes hantavirus—a rare strain of hantavirus that differs from most others in that it can be transmitted between people through close contact.

Why did this virus cause concern?

Common hantaviruses are most often transmitted to humans through contact with the excreta of infected rodents. However, Andes hantavirus is considered a unique and more dangerous variant, as doctors believe limited human-to-human transmission is possible.

Onboard a cruise ship, enclosed spaces, shared restaurants, cabins, and ventilation create conditions conducive to the spread of infections. This is why, after the first cases, authorities in several countries implemented urgent quarantine measures.

How many people have been infected?

According to the WHO, 11 cases, including three deaths, had been registered by mid-May. Several infected people were evacuated to European hospitals, and some passengers were placed under long-term observation and quarantine.

Later, Canadian authorities confirmed the first case of infection in North America among passengers on board a cruise ship.

Is this a new pandemic?

No. The World Health Organization emphasizes that the situation does not resemble the beginning of a new COVID-19 pandemic. Experts assess the risk to the public as low.

The main reason for the panic is the unusual transmission of a rare virus on an international cruise ship. For scientists, this is an important case, helping to better understand how such infections can spread in close contact between people.

Why do cruise ships remain a risk zone?

The MV Hondius incident has once again highlighted the main problem with cruise travel: large numbers of people staying in confined spaces for long periods of time. Since the coronavirus pandemic, medical professionals have repeatedly warned that ships remain a potential breeding ground for infectious outbreaks.

Even modern ventilation systems and health protocols are not always sufficient to quickly stop the spread of disease on a ship.

What's happening now?

The ship has arrived in the port of Rotterdam, where it is scheduled to undergo a full disinfection. Some of the crew remain under medical observation, and international services continue to monitor for possible new cases.

For now, experts assure that there is no threat of a global epidemic. However, the hantavirus story has already become one of the most discussed medical events of 2026.