Dr. Ali Khan

The U.S.

passengers are taking a flight chartered by the U.S.

government to an Air Force base in Nebraska.

They're headed for the National Quarantine Unit at the University of Nebraska Medical Center.

Dr. Ali Khan is dean of its College of Public Health.

Health officials say this strain of hantavirus can be deadly but isn't very contagious.

You'd have to spend a lot of time in close contact with someone with symptoms to catch it from another person.

According to Nebraska Medicine, none of the returning passengers show any symptoms, but they'll be monitored in case they develop them over the coming weeks.

For the passengers getting off the ship, I'd say welcome to Nebraska.

You are coming to the premier facility in the United States, if not the world, to take care of you.