Write an essay in which you first clearly identify a single major achievement in Epidemiology (e.g.. Smallpox. HIV/AIDS. Tobacco Use. Cholera). Then briefly describe one important tool that
is used to measure its occurrence in a population. Briefly identify one source of public health data on that issue.

Incorporating the concepts of risk and rates. briefly discuss at least
one major factor that influenced its occurrence. Briefly describe that achievement in Epidemiology. What era did this achievement occur7Briefly describe one important tool that can be used to
measure its occurrence in a population. examples of Tools include surveys. surveillance. and biological monitoring and identify one specific source of public health data on that issue.