The story

Americans planning to go to Mexico should "postpone" their trips because of the swine flu outbreak, a top health official said Tuesday.

"Based on what I know as a public health official and as a physician, I would not recommend people go on nonessential travel," said Dr. Richard Besser, the acting head of the Centers for Disease Control and Prevention.

"If I had vacation plans in Mexico coming up right now, I'd look to postpone those," he said on CNN's "American Morning." Read full article »

CNN's Alysen Miller, Isa Soares, John Zarrella, John Vause and Arwa Damon contributed to this report.

All About Travel and Tourism • U.S. Department of State