Epidemiology in Community Health Care

The community health nurse is reviewing several epidemiologic research studieswith student nurses that are beginning a 6-month community health rotation.Epidemiology offers community health nurses a specific methodology for assessingthe health of aggregates. The nurse has requested that the student participate in asemester long epidemiologic research study
 1. Why is it important that community health nurses review epidemiologicresearch? 
2. What are the seven steps that student nurses must consider whenparticipating with the community health nurse in the epidemiologic researchstudy? 
3. The goals of epidemiologic investigation are to identify the causalmechanisms of health and illness states and to develop measures forpreventing illness and promoting health. Epidemiologists employ aninvestigative process that involves a sequence of three approaches that buildon one another. What are the three investigate approaches? 
4. The community health nurse has been requested to figure out the prevalencerate and the incidence rate of influenza for a 1-month period of time. Therewere 1,000 students who reported flu-like symptoms during 1 month in apopulation of 5,000 students at the local community college, and during thesame month, 500 individuals developed influenza. What is the prevalencerate and incidence rate?