Eradication of Smallpox, Polio, and COVID-19

Post a cohesive response that addresses the following:
Briefly summarize the epidemiologic differences among the three diseases and how principles of epidemiology are being applied—or could be applied—to address COVID-19.
Are there any lessons learned from the use of epidemiology in the eradication of smallpox and polio that could be applied to COVID-19?
Evaluate the benefits of addressing this health problem at the population level versus the individual level. Support your Discussion with information from this week’s Learning Resources and articles you have located in the Walden Library.