Disease surveillance involves a constellation of information systems that identify and record health related outcomes. Collectively, these systems provide raw data for descriptive epidemiology that is vital for a number of important public health functions, including:

Trends in death rates from various causes from 1810 to 2000 in Massachusetts. Death rates from infectious disease have plummeted, but death rates from heart disease and cancer increased until around 195 when heart disease leveled off and then began to decline. Cancer death rates have not fallen substantially.

Learning Objectives

After successfully completing this unit, the student will be able to: