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PH 384: Epidemiology: 
Assignment 4 (100 points possible)
1. Describe the behavioral risk factor surveillance system. How does it differ from a surveillance system for infectious disease?(25 points)
2.  If you want to estimate the incidence rate of lung cancer in Kentucky State during 2016, please identify the sources you may need to estimate the incidence rate.(15 points) 
Hint: Recall the calculation of incidence rate, what information you need to calculate the incidence rate, where you can find those numbers? 
3. Define the following terms (10 points each): 
1) Maternal mortality rate 
2) Infant mortality 
3) Fetal mortality
4) Crude birth rate
5) General fertility rate
6) Perinatal mortality rate