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Fig. 1 | BMC Health Services Research

Fig. 1

From: Strengthening vaccination delivery system resilience in the context of protracted humanitarian crisis: a realist-informed systematic review

Fig. 1

Guiding conceptual framework for the review, linking contextual aspects (conceptualised using the WHO building blocks framework, but also conditions linked to the broader national context and aspects of the specific humanitarian crisis in the setting for each intervention) and activities strengthening resilience attributes, the mechanisms for enhancing system resilience (absorption, adaptation, transformation) and finally the vaccination-related outcomes achieved (in this case population-level vaccination coverage for antigens included in the review). For more detail on how this framework was developed, please refer to Additional file 1: Appendix 1

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