An American has tested positive and a French traveller developed symptoms aboard their separate aircraft journey after passengers evacuated from the hantavirus-hit cruise ship began flying home aboard military and government planes.One of the 17 American passengers evacuated from the MV Hondius tested positive for the hantavirus but is not showing any symptoms, US health officials said today.Earlier, one of the five French passengers developed symptoms on their flight home, French Prime Minister Sebastien Lecornu said in a statement, and