HILOREN:.7 YEARS OF A0E.OR OLDER. (C) POLIO - 4 DOSES REQUIRED IF THE THIRD PRIMARY DOSE CF OPV IS ADMINISTERED ON OR AFTED.THE'FOURTH BIRTHDAY, A FOURTWDOSE is NOT REQUIRED. IPV IS AN ACCEPTABLE ALTERNATIVE :F OPV IS NOT INDICATED. FOLIO VACCINE IS OMITTED FROM THE REQUIRED IMMUNIZATIONS OF GIOLDREN 18 Y