oa South African Medical Journal - The dose of diphtheria toxoid in combined vaccines and their use in children - a preliminary report



The currently recommended immunization scheme consists of diphtheria, tetanus and pertussis vaccine (DTP) given at the ages of 3, 4.5 and 6 months, followed by a reinforcing dose of the same vaccine at 18 months, and one of diphtheria and tetanus vaccine (DT) before school entry.


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