The CDC has officially ended its response to the deadly hantavirus outbreak that triggered federal quarantines of American citizens and several weeks of health monitoring.The agency announced this week that all Americans who were being monitored cleared their 42-day quarantine windows without developing symptoms.

The last eight American passengers who endured 42 days in a specialized hospital quarantine unit after exposure to an unusual hantavirus outbreak on a cruise ship that killed…

Quarantine has ended for the 18 Americans who were cruise ship passengers on the MV Hondius and were exposed to hantavirus more than one month ago.