Existence and functionality of national immunisation technical advisory groups in Africa from 2010 to 2016 by Alison B. Wiyeh, Evanson Z. Sambala, Ntombenhle Ngcobo, Charles S. Wiysonge

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Improving the availability of vaccines in primary healthcare facilities in South Africa: is the time right for a system redesign process? by Chinwe Juliana Iwu-Jaja, Portia Jordan, Ntombenhle Ngcobo, Anelisa Jaca, Chidozie Declan Iwu, Modest Mulenga, Charles Wiysonge

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Mobile reporting of vaccine stock-levels in primary health care facilities in the Eastern Cape Province of South Africa: perceptions and experiences of health care workers by Chinwe Juliana Iwu, Ntombenhle Ngcobo, Sara Cooper, Lindi Mathebula, Hlokoma Mangqalaza, Abongile Magwaca, Usuf Chikte, Charles S. Wiysonge

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A global review of seasonal influenza vaccine introduction: analysis of the WHO/UNICEF Joint Reporting Form by Evanson Z. Sambala, Ntombenhle Ngcobo, Shingai Machingaidze, Alison B. Wiyeh, Phetole W. Mahasha, Anelisa Jaca, Sara Cooper, Charles S. Wiysonge

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Contextualised strategies to increase childhood and adolescent vaccination coverage in South Africa: a mixed-methods study by Duduzile Edith Ndwandwe, Charles Shey Wiysonge, Karen Grimmer, Phetole Walter Mahasha, Ntombenhle Ngcobo, Janine Dizon, Rosemary J Burnett, Sara Cooper

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