U.S. issues an advisory against non-essential travel to Mexico . Tourism industry waiting to see effects of swine flu . `` My clients are people who travel all over the world , and they know that you have to take precautions regardless , '' Yates said . Mexico tourism already dealing with reports of violence . Comment:
U.S. issues an advisory against non-essential travel to Mexico . Tourism industry waiting to see effects of swine flu . Mexico tourism already dealing with reports of violence . Comment: