CDC advises against non-essential travel to Mexico

"At this time, CDC recommends that U.S. travelers avoid all nonessential travel to Mexico. Changes to this recommendation will be posted at http://wwwn.cdc.gov/travel/"

http://wwwn.cdc.gov/travel/contentSwineFluMexico.aspx?s_cid=tw_epr_78

Currently, WHO has not issued any travel warnings. However, they are asking that travelers stay home if they are feeling sick and postpone travel plans. Also, if you do travel and become ill, seek care and check in with your health care provider.