The deadly hantavirus outbreak aboard the stranded MV Hondius could reshape the way cruise lines screen passengers before boarding, according to an industry expert.  Three people have died , and eight others have fallen ill from a rare and extremely deadly strain of the virus, which investigators believe was brought on board by a Dutch couple who later succumbed to the disease. The terrifying ordeal could have lasting implications — at least for cruises departing from Ushuaia, Argentina, where the MV Hondius set sail on March 20, veteran cruise journalist David Yeskel told The Post.  Three MV Hondius passengers have died, and eight other have fallen ill to a rare hantavirus strain that investigators believe a Dutch couple brought on board.…