The Centers for Disease Control and Prevention (CDC) is a national public health agency in the United States. It is part of the Department of Health and Human Services and focuses on protecting public health and safety. The CDC conducts research, provides health information, and works to prevent disease outbreaks and health emergencies. The agency plays a crucial role in responding to health threats, such as infectious diseases, natural disasters, and bioterrorism. It also promotes health education and disease prevention strategies, helping communities and individuals make informed health choices. The CDC collaborates with various organizations to improve public health nationwide.