List of countries linked to deadly hantavirus as ‘patient zero’ identified after visiting rat-infested landfill

• Fever
• Muscle aches
• Fatigue
• Headache
• Shortness of breath in severe cases

Health authorities and infectious disease specialists are now tracking passengers through the incubation window to determine whether any additional infections emerge.

Countries reportedly connected to passenger monitoring or tracing efforts include:

• Argentina
• Spain
• United States
• Netherlands
• France
• United Kingdom
• Germany
• Denmark
• Switzerland
• South Africa
• Singapore
• Philippines
• Cape Verde

The broader takeaway from the incident is less about cruise ships specifically and more about environmental exposure risks during travel. Public health experts commonly recommend: