I uploaded the help in the PDF.

1)Below are three scenarios that an epidemiologist might encounter (in theory). For your discussion post, choose one scenario and describe in 150-200 words how you might determine the cause and/or risk factors and what an intervention might look like. For your one response, choose one of your group member's posts to comment on, pointing out good ideas or things that you thought of but they didn't discuss (30-50 words).Deadlines:Your first reply to the instructor is worth 8 points and is due by Thursday at 11:59 pm. It should be 150-200 words.Your reply to another student is worth 2 points and is due by Saturday at 11:59 pm. It should be 30-50 words.Organic Chemistry is making everyone sick!Scenario:Starting Week 3 of the quarter, students taking OrgChem start coming to Student Health complaining of headaches, fatigue, and painful and itchy rashes.By Week 5, 25 students have complained about this.How do you determine the cause and/or risk factors?Liver Cancer in the OCScenario:Orange County health officials report that liver cancer has increased 3% every year for the last five years in the county.It’s same rate across ethnicity and race, but men are slightly more likely to get it.How do you determine the cause and/or risk factors?Why are rich people getting the flu?Scenario:The coastal cities and town in the OC are seeing a dramatic increase in what seems like the flu, but there is no influenza virus present.It seems that most of the sick have homes very near the beach.How do you determine the cause and/or risk factors?2)What are you most afraid of?In your discussion post, describe your fear and then analyze it based on the dread/knowability axis described in the text of chapter 7.Why do you think you so afraid of this thing but not other things?In your response to others, compare your own experiences of knowing and dreading.Be helpful and empathic!