Background: The goal of a nutrition and food surveillance system is to examine the nutritional effect of food policies and nutritional programs and predict future trends.
Purpose: To assess nutritional status of infants after implementing a nutritional and food surveillance system (SISVAN) in day care centers.
Material And Methods: Study population consisted of 988 children between 45 days and 60 months of age registered in the SISVAN from april 2006 to May 2007; users of 18 day care centers located in 11 counties of the state of Nuevo Leon.