Argentina, where the MV Hondius cruise departed, consistently ranked by WHO as having highest incidence of hantavirus in region

Officials and experts in Argentina are scrambling to determine if their country is the source of a deadly hantavirus outbreak that has gripped an Atlantic cruise ship, amid reports that a number of passengers have already returned to their home countries.

Argentina, where the cruise to Antarctica departed, is consistently ranked by the World Health Organization (WHO) as having the highest incidence of the rare, rodent-borne disease in Latin America. Investigators there are working to contact trace the source of contamination.