Americans from hantavirus cruise ship remain in quarantine to monitor for symptoms, CDC says​Americans from hantavirus cruise ship remain in quarantine to monitor for symptoms, CDC says 

 All 18 U.S. passengers who were on the MV Hondius cruise ship remain in federal quarantine as doctors and the Centers for Disease Control and Prevention figure out when they can safely go home.  ​​All 18 U.S. passengers who were on the MV Hondius cruise ship remain in federal quarantine as doctors and the Centers for Disease Control and Prevention figure out when they can safely go home.