[Saad Alboqami]

1- draw epidemic curve?
2- 4 examples of mortality rate?
3- what is the formula of secondary attack rate?

4- mention two types of non-causal associations?
5- define research?
6- define research ethics?
7- what are the benefits of observational study or survey ( mention 4 )?
8- what are the steps of writing proposal?
Done by : Saad Alboqami
Thank to: Mohammad Aldhahi and Ahmad Alghayyamah