Global Health Security refers to the efforts and strategies aimed at preventing, detecting, and responding to infectious disease threats that can cross borders. It encompasses a wide range of activities, including surveillance, vaccination programs, and emergency preparedness, to ensure that nations can effectively manage health crises. The concept emphasizes the importance of international collaboration and coordination among countries, organizations like World Health Organization, and communities. By strengthening health systems and promoting resilience, Global Health Security aims to protect populations from outbreaks and pandemics, ultimately contributing to global stability and well-being.