A second European hotel was locked down on Wednesday as authorities attempt to contain the coronavirus.
A senior U.S. health official said a pandemic was inevitable and urged Americans to prepare.
Austria sealed off the 108-room Grand Hotel Europa in the Alpine tourist hub of Innsbruck.
Italy has become a frontline in the global outbreak of the virus, with 280 cases and 10 deaths,.
The disease is believed to have originated in a market selling wildlife in the Chinese city of Wuhan.