'Patient Zero' in deadly hantavirus cruise ship outbreak was Dutch ornithologist Leo Schilperoord

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14. Answers to questions I had

about how people get hantavirus and how it is transmitted between people

People usually get hantavirus from contact with rodents in areas where the disease is present, especially when exposed to their urine, droppings, and saliva.

The Andes virus, found only in South America, is the only type of hantavirus that is known to spread person-to-person. This spread is usually limited to people who have close contact with the ill person. This includes direct physical contact, prolonged time spent in close or enclosed spaces, and exposure to the sick person's body fluids.

https://www.cdc.gov/hantavirus/situation-summary/index.html