List and describe chemical agents used in control of microorganisms. Explain three ways how pathogenic microbes cause diseases in their hosts. What are the main stages in the course of infection and disease? Explain the main events and characteristics for each of these stages. Explain the role of reservoirs and vectors in maintenance and spreading of infectious agents. What is the difference between mechanical and biological vectors? What are carriers? Explain endemic and sporadic diseases. What are epidemic and pandemic diseases? Describe components of three lines of host defense from microorganisms. Describe the process of phagocytosis (what immune cells are capable of doing phagocytosis and what are the main steps in this process). Explain the basis of immunologic (serological) methods of diagnosing infections. Chose one immunologic method and explain how it can be used in diagnosing infections? Explain five mechanisms of action (targets) of antibiotics and list related groups of antibiotics for each target. Describe five mechanisms of antimicrobial resistance. Select one infectious disease and explain: signs and symptoms, causative agents, pathogenesis and virulence factors, diagnosis methods, transmission and epidemiology, and prevention and treatment.