oa Southern African Journal of Epidemiology and Infection - Introducing new vaccines into the childhood immunisation programme in South Africa : editorial
Immunisation has been called one of the best buys in health. This success has led to substantial efforts to develop new vaccines against a range of infectious agents responsible for significant childhood morbidity and mortality. As research and development, clinical trials, registration and marketing have become a lengthy, complex and expensive process, so too health authorities and donor organisations have weighed up the cost of a new vaccine in the light of efficacy and effectiveness, perceptions and priorities, and the capacity of a country to deliver and sustain expanded immunisation programmes. It is therefore not surprising that in many developing countries, often the very places where the vaccines are most needed, it can take decades before a new childhood vaccine is introduced.
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