A rare disease outbreak aboard the MV Hondius has reached Canada, where public health officials say a "high risk" passenger from the cruise ship has tested "presumptive positive" for the Andes hantavirus. The patient was among four Canadians on the hantavirus-affected vessel, which departed Argentina on 1 April and was crossing the Atlantic Ocean when the outbreak of the uncommon rodent-borne illness emerged. In a statement, the Public Health Agency of Canada said authorities in British Columbia, the country’s westernmost…