This course is designed to provide students with an overview of the main elements of a health system. The course will present the main approaches to how health systems can be viewed and analysed. The course will then go into the WHO buildings blocks of health systems given its wide adoption across many Pacific Health systems. These building blocks include Governnance and Leadership, Health Workforce, Health Services Delivery, Health financing, and Medical products and technology. The building blocks will conclude with the performance measures relating to health systems goals and objectives. At the end of the course students will also look at how health systems relate to Population health goals of improving the health of the community. This will involve learning about the social determinants of health, the socio-economic environment, and the control of threats to the health of the community.