June 2 (Reuters) - Five U.S. residents who were on the hantavirus-hit MV Hondius cruise ship have returned to their home states following three weeks of monitoring at the National Quarantine Unit at the University of Nebraska Medical Center,

Five of the 18 American cruise ship passengers who have been staying at a national quarantine facility in Nebraska after being exposed to hantavirus are going home, U.S. health officials said Monday.