How did John Snow use the web of causation related to cholera? Why do you believe that Snow was successful or unsuccessful in establishing a c

Watch the following video clip:

Based on the findings from the video, please answer the following prompts. 

  1. Using the video, the assigned course reading (specifically “Introduction to Epidemiology”, and the video “How Nurses Use Epidemiology”) consider the following:
    1. How did John Snow use the web of causation related to cholera? Why do you believe that Snow was successful or unsuccessful in establishing a cause? Remember to cite evidence to support your position. It can be from the resources within the course.
    2. Select a disease/outbreak to research. Discuss the level of the disease and type of transmission. As you review the selected disease/outbreak, describe the investigative strategies used, and explain how these aligned (or did not align) with strategies used by John Snow. Use one scholarly journal to support your research.
    3. Keys to success in the discussion: Read the article carefully. Cite evidence (in-text and as a reference). Answer with direct connections to the assigned course reading (using reflection).