The centres for disease control and prevention (cdc). The American agency charged with tracking and investigating public health trends. Its stated mission is to promote health and quality of life by preventing and controlling disease, injury, and disability. A part of the U.S. Public health services (PHS) under the department of health and human services (HHS), the cdc is based in atlanta, Georgia. It publishes key health information including weekly data on all deaths and diseases reported in the united states ( morbidity and mortality weekly Report ) and travelers health advisories.