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This article is part two in a series of explainers on vaccine development and distribution. Part one focused on how vaccines work to protect our bodies from disease-carrying germs. This article focuses on the ingredients in a vaccine and the three clinical trial phases. Part three outlines the next part of the vaccine journey: the steps from completing the clinical trial phases through to distribution Available in English, French, Spanish, Arabic, Chinese and Russian

vaccine,  development,  research,  iec,  IEC Material,  communication,