'We're putting as many measures in place as possible'published at 16:08 BST
There is a question about whether authorities can guarantee Americans won't catch hantavirus from the returning passengers.
The CDC's Dr Brendan Jackson responds that "there are no guarantees in life", but the safety of patients and locals is a top priority.
"We're putting as many measures in place as possible to ensure that people are safe and healthy, and we keep the community safe and healthy as well."







