The Centers for Disease Control and Prevention (CDC) is a national public health agency in the United States. Established in 1946, its main goal is to protect public health and safety by preventing and controlling diseases, injuries, and disabilities. The CDC conducts research, provides health information, and offers guidance to state and local health departments. The CDC plays a crucial role in responding to health emergencies, such as outbreaks of infectious diseases like COVID-19 and Ebola. It also focuses on health promotion and education, addressing issues like obesity, smoking, and vaccination to improve overall community health.