who is the cdc and what do they do
The Centers for Disease Control and Prevention (CDC) serves as the national focus for. developing and applying disease prevention and control, environmental health, and health promotion and health education activities designed to improve the health of the people of the United States.he Centers for Disease Control and Prevention (CDC) serves as the national focus for. developing and applying disease prevention and control, environmental health, and health promotion and health education activities designed to improve the health of the people of the United States.