The Public Health Agency of Canada (PHAC) is a federal agency responsible for promoting and protecting the health of Canadians. It focuses on preventing disease, reducing health risks, and responding to public health emergencies. PHAC conducts research, provides health information, and collaborates with various organizations to improve health outcomes across the country. Established in 2004, the agency plays a crucial role in managing health threats, such as infectious diseases and environmental hazards. It also supports health promotion initiatives and works closely with provincial and territorial health authorities to ensure a coordinated response to public health challenges.