text_1: "Why does the American Academy of Pediatrics, American Academy of Family Physicians, and the Centers for Disease Control recommend five Diphtheria-Pertussis-Tetanus immunizations but the State of Iowa only requires three before school entry?  And only three polios?"
text_2: Why does the American Academy of Pediatrics recommend five Diphtheria-Pertussis-Tetanus immunizations but the State only requires three?