x     Seven kilometers from downtown Ushuaia, the municipal landfill serving Argentina's southernmost city has become one of the focal points of the epidemiological investigation into the hantavirus outbreak aboard the MV Hondius cruise ship. Health teams are searching the site for traces of infected rodents. The landfill is frequented by birdwatchers from around the world, drawn by species such as the white-throated caracara, a scavenger bird endemic to the region. Several of the roughly 150