Public Health Wales is the national public health agency for Wales, responsible for protecting and improving the health of the population. It works to prevent diseases, promote healthy lifestyles, and ensure that health services are effective and accessible. The organization conducts research, provides health information, and collaborates with local authorities and health boards to address public health challenges. The agency also plays a key role in responding to health emergencies, such as outbreaks of infectious diseases. By monitoring health trends and implementing health policies, Public Health Wales aims to enhance the overall well-being of communities across Wales.