The Centers for Disease Control and Prevention (or CDC) are a United States federal agency under the Department of Health and Human Services. CDC main office is in Druid Hills, a neighborhood in northeastern Atlanta, Georgia. It works to protect public health and safety. It provides information to enhance health decisions. It promotes health as a partner with state health departments and other organizations. When an infectious disease or bad food can cause health problems, the CDC will tell the nation how to fight it. The CDC works on environmental health, occupational safety and health, health promotion, injury prevention and education activities designed to improve the health of the people of the United States.