state immunization IV; is an identifier py.s4 by theita erfinmatitTatien registry (optional). 2 DTP/DTaP 5 doses required. If the 4th primary doss istildriiintstere&okor after the 4th birthday a 5th dose is not required. 3 DT (pediatric) is acceptable if pertussis vaccine is medically contraindicated. (Complete Part