Argentine investigators searching for the source of a deadly hantavirus outbreak on a cruise that set sail last month were trapping rodents in the forests surrounding the southernmost city of Ushuaia on Tuesday, with the aim of detecting the possible presence of the virus in an area previously thought unaffected.

The disease is causing international concern after an outbreak on Dutch cruise MV Hondius, which departed from Tierra del Fuego, killed three people

For several days, biologists from Buenos Aires will set traps at various locations on the southern island of Tierra del Fuego to analyze whether the captured rodents carry the…