Building a resilient health system for universal health coverage and health security: a systematic review.

Advanced healthcare infrastructures and adequate number of healthcare workers are essential to achieving UHC and health security. However, they are not alone adequate to protect the health system from potential failure. Context-specific redistribution of health workers, task-shifting, result-based health financing policies, and integrated and multi-sectoral approaches, based on the principles of primary health care, are necessary for building RHS toward UHC and health security.