Discuss how epidemiological investigations were used to identify and monitor the spread of the 2009 Swine Flu Pandemic. What effective intervention strategies were used and measured? Include a discussion regarding the use of surveillance systems to monitor the infectious disease you are addressing. What and how were interventions used to flatten the Epi Curve?Your paper should be at least five pages in length, be double-spaced, and be typed in 12-point Times New Roman font. Include at least five peer-reviewed sources. Adhere to APA Style when constructing this assignment, including in-text citations and references for all sources that are used. Please note that no abstract is needed.Please follow the directives to the letter.