Each time 25 year old Salma takes her one year old son Zubair to the Batla Clinic (a private clinic in Delhi) for a shot of the DPT, the cost of transportation and the vaccine adds up to approximately Rs.500.   When it is time for Zubair to take the next immunization dose, Salma may find that the expenses have entirely spiraled out of her reach. New vaccines and expensive brands of baby...

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