|An 11-year-old polio victim leans on a walking cane in China|
© UNICEF/NYHQ1996-0191/Liza Barrie
Tears rolled down my face when I saw that the mother could only move her arms, while the father ‘walked’ with one arm and one leg on one side of body. I could never forget that tragic moment. From that moment on, immunization has changed from being my job to a lifetime duty.