|Description:||Pictured here in this 1969 image, an epidemiologist performing field work, was collecting data in an unknown location, during an unknown epidemiologic study. In this particular photograph, the scientist was in process of gathering evidence, which would help him and his colleagues determine the root source of a possible spreading disease throughout the community.|
Public health is a vast field that covers many aspects of keeping populations of people healthy. It includes, but is not limited to, research, data collection, data analysis, and health education. Epidemiology, the systematic study of diseases in populations, is one of the sciences used at CDC to help improve the public’s health.