A woman wears a surgical mask as she waits for customers at a taco restaurant which will only do take-away orders after city officials ordered eateries to close or only serve take-away customers in Mexico City April 29, 2009. A deadly swine flu outbreak could push Mexico deeper into recession, hurting an economy that shrank by as much as 8 percent in the first quarter, Mexico's central bank said on Wednesday.REUTERS/Claudia Daut (MEXICO HEALTH)