The long wait to return home has just become a little longer for a group of Australians stranded on a cruise ship struck by a deadly hantavirus outbreak.A French woman and an American tested positive for the virus on Monday as Australia and other nations scrambled to repatriate their citizens from the luxury liner anchored off Spain's Canary Islands.The four Australian citizens, one permanent resident and a New Zealand national who were expected to fly out of Tenerife for Perth