The top ten countries of origin were: Turkey 15 , Syria 13 , Iraq 9 , Iran 9 , Nigeria 5 , Afghanistan 4 , Guinea 3 , Albania 3 , Somalia 3 and Pakistan 3 . ...Thus, the immunization rate of measles vaccination was 73 . The immunization rate of measles vaccination related to different age cohorts ranged from 67 1 4 years of age to 78 10 14 years of age . ...