U.S. monitoring hantavirus cruise passengers; dozens left ship after 1st death​U.S. monitoring hantavirus cruise passengers; dozens left ship after 1st death 

 The United States was among the countries on Thursday urgently tracking dozens of passengers who traveled on the cruise ship at the center of a deadly hantavirus outbreak  ​​The United States was among the countries on Thursday urgently tracking dozens of passengers who traveled on the cruise ship at the center of a deadly hantavirus outbreak