When my son was three weeks old, he was admitted to emergency for a life saving operation - pyloric stenosis. The hospital baptized him Catholic prior to surgery. A week later he was able to come home and two weeks later, we had his Baptism at our family parish. Now, many years later, someone mentioned in a class that the 'second' Baptism was not official - that the hospital's Baptism was the 'real' one. How exactly would that work?