‘Patient Zero’: How the Hantavirus Outbreak Began with a Bird-Watcher on a Landfill

“Patient Zero” for the hantavirus outbreak aboard the cruise ship MV Hondius has been identified as 70-year old Dutch ornithologist Leo Schilperoord, a passenger who made the fateful decision to go birdwatching at a landfill near the resort town of Ushuaia in Tierra del Fuego, Ar