New Delhi, May 18 -- Canada's national health agency Sunday confirmed that one of four Canadians who returned home from a cruise ship hit with a hantavirus outbreak has tested positive for the virus.

The Public Health Agency of Canada confirmed the positive test a day after the public health officer for the province of British Columbia said the person had received a "presumptive positive" but further testing would be conducted at the National Microbiology Lab in Winnipeg.

"One individual's sample was confirmed positive for hantavirus," the national agency said in a statement.

A second individual who was a traveling partner of the confirmed case was confirmed negative, the statement said. Both people, a couple in their 70s from the Yuko...