HPR 350 Week 3 Discussion 1

Take a look at the Centers for Disease Control's Flu Activity and Surveillance (Links to an external site.)Links to an external site. webpage at http://www.cdc.gov/flu/weekly/fluactivitysurv.htm
Based on the information from Chapter 4 of the Friis and Sellers (2018) 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.