Sweeping travel restrictions related to the Wuhan coronavirus are now in effect at US airports, but there are still questions about how the new rules will be enforced.

"Everyone has been trying to nail down clarifications on the travel ban. There were questions along the line like 'How is this going to work? What are going to be the procedures?' and 'What are the details on a quarantine?'" an official at a major West Coast airport told CNN.

The official's airport is one of the 11 designated airports for coronavirus screenings and possible self-quarantine under new rules that went into effect Sunday afternoon.

The West Coast airport official expressed concern that the airport had not prepared for large numbers of potentially sick people.

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