The United States is considering ways to discourage U.S. travelers from taking cruises as part of a broader Trump administration effort to limit the spread of coronavirus, according to four officials familiar with the situation.

The officials, who asked to remain anonymous, said no decision had been made. The discussions were taking place ahead of a meeting this weekend between Vice President Mike Pence, who is in charge of leading the U.S. response to the coronavirus, and the cruise industry.

The administration could advise some or all U.S. travelers to temporarily avoid taking cruises in the face of a growing number of coronavirus cases on cruise ships or potentially impose travel restrictions related to cruises, officials said.