Hantavirus outbreak: Should we worry about the virus spreading?

An American citizen and a French woman evacuated from the cruise ship hit by a deadly hantavirus outbreak have tested positive, officials said, as the repatriation operation continued on Monday. So far, at least 6 cases have been confirmed, two are suspected and three passengers have died following the outbreak of the rare virus – for which no specific cure exists. But should we worry about the virus spreading?