Participation of Dean of College of Health Sciences, Prof. Hamdia Mirkhan Ahmad and Head of Quality Assurance, Prof. Sahar Mohammed Abdullah Zaki in the 8th World Symposium on global Health System Research for five days in Nagasaki, Japan from 18 to 22 November 2024 with the participation of 120 countries and the presence of more than five hundred experts and researchers. The symposium included a wide range of topics that emphasized the availability of health services for all citizens, relevant issues of countries and how to deal with crises, especially climate change and its threats to health, safety, security and food.