How a rare bird search turned a Dutch birdwatcher into patient zero of a deadly cruise outbreak

NewsWorldHow a rare bird search turned a Dutch birdwatcher into 'patient zero' of a deadly cruise outbreak
Investigators believe the couple may have been exposed to the virus on March 27 during a visit to a landfill site outside Ushuaia.
3 min readMay 10, 2026 12:25 PM IST
First published on: May 10, 2026 at 12:25 PM IST
A Spanish Civil Guard officer inspects the area where passengers from the MV Hondius cruise ship are expected to arrive at the port of Granadilla in Tenerife, Canary Islands, Spain. (Photo: AP/ Leo Schilperoord/ Facebook)
A 70-year-old Dutch birdwatcher was identified as the first known case of the hantavirus outbreak linked to a cruise ship, MV Hondius, according to reports by the New York Post.
Leo Schilperoord, an ornithologist from the Netherlands, is believed to have contracted the virus during a birdwatching trip to a landfill site near Ushuaia ahead of boarding the vessel.‘Patient zero’ identified
Schilperoord and his wife, Mirjam Schilperoord, had been travelling across South America for several months before joining the cruise ship in April this year.
He developed symptoms including fever, headache and stomach pain days after boarding and later died on the ship.
Workers set up temporary shelters in the area where passengers from the MV Hondius cruise ship are expected to arrive at the port of Granadilla in Tenerife, Canary Islands, Spain. (Photo: AP)
According to investigators, the couple may have been exposed to the virus on March 27 during a visit to a landfill site outside Ushuaia.Story continues below this ad
The area is known to attract birdwatchers because of rare species, but authorities say it is also home to rodents that might carry the hantavirus.
“It is common for birdwatchers to visit landfills because there are many birds there,” a local guide was quoted as saying.
Health officials suspect the infection may have occurred through inhalation of particles from rodent droppings.
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