Based on the information from Chapter 4 of the Friis and Sellers (2014) textbook
Explain the importance of two of the following descriptive epidemiological variables in tracking, reducing and preventing the spread of influenza:
Who
What
Where
When
How
Why
Your response should be at least 150 words and use at least two scholarly sources, one of which can be the textbook.
Introduction to Epidemiology Ashford University Text: Friis, R. H. and Sellers, T. A. (2014). Epidemiology for public health practice Take a look at the Centers for Disease Control''s Flu Activity and Surveillance
https://www.dropbox.com/s/solgsi42ruze3vk/Descriptive%20Epidemiology.rar?dl=0