Three cruise ship passengers have died from suspected hantavirus infections while sailing the Atlantic Ocean, according to health officials.
Hantavirus causes a rare but serious respiratory illness called hantavirus pulmonary syndrome (HPS). The virus spreads primarily through contact with infected rodent droppings, urine, or saliva. People typically contract hantavirus by breathing in aerosolized particles from contaminated rodent waste.
Symptoms appear between one to eight weeks after exposure. Early signs include fever, muscle aches, and fatigue. The disease progresses to severe respiratory distress within four to ten days as fluid fills the lungs. HPS kills roughly one in three infected people.
The cruise ship outbreak raises questions about sanitation protocols aboard vessels. Rodent infestations on ships remain a persistent problem, particularly in cargo and storage areas. The CDC has not yet confirmed hantavirus as the official cause of death for all three passengers, pending laboratory results.
Treatment focuses on supportive care. No vaccine exists for hantavirus. Prevention requires eliminating rodent access to living spaces and minimizing exposure to rodent waste.
This outbreak underscores the reality that cruise ships, despite their size and modern amenities, remain vulnerable to infectious disease outbreaks originating from environmental contaminants.