Rare virus sparks concern as possible transmission emerges in confined setting.
Health experts say a reported cluster of Hantavirus cases on a cruise ship is highly unusual and potentially concerning. The virus is typically spread through contact with infected rodent droppings or urine, not between people.
RELATED: https://www.ecdc.europa.eu/en/hantavirus-infection/facts
Specialists warn that the cruise ship environment could increase the risk of infection spread. While human-to-human transmission is considered extremely rare, experts say the situation raises questions about whether passengers were exposed to a common source or if limited transmission may have occurred.
Globally, hantavirus affects an estimated 150,000 to 200,000 people each year. It can cause serious illnesses such as Hantavirus Pulmonary Syndrome, which has a mortality rate of about 38%, according to Centers for Disease Control and Prevention.
The virus gained attention in 2025 following the death of Betsy Arakawa, linked to a hantavirus-related illness. This highlighted its potential severity despite its rarity.
Authorities are now monitoring the situation closely, as more cases could still emerge in the coming weeks.
