[The history of the first "voluntary" oral hydration center in Mexico (1959)].

There are some historic facts about the "First Center for Voluntary Oral Rehydration" begun 1959 at Hospital Infantil de México (Children's Hospital) was clearly demonstrated useful, 508 infants with diarrhea were treated. 90.94% were cured and dehydration corrected. Antibiotics were not much useful. Oral rehydration is considered the method of choice to begin treatment of the patient with gastroenteritis.