Write an essay comparing both pathogenicity and virulence among microorganisms. Show how microorganisms vary in both their pathogenicity and virulence using the opportunistic infections as examples. Show how these characteristics influence the prevention and treatment for public health. Requirements Essay should be a minimum of 500 words. Be sure that your grammar sentence structure and word usage is appropriate. This means that you will have to edit your work yourself. Use APA format the Kaplan Writing Center and review the document in Doc Sharing named Writing Center Resources