LEARNING OUTCOMES • Explain the science of infection and infectious diseases • Describe emerging and re-emerging diseases Identify the various challenges in the prevention of infectious diseases in diverse healthcare and community settings • Discuss the basic principles of effective containment and prevention of infectious diseases SYLLABUS • The science of infection and disease and the distinction between the two. Not all infections cause disease and not all diseases may be due to infection. • Microorganisms: how they spread, and how they manifest in the body to cause disease. • Emerging and re-emerging infectious diseases: emerging infections are those that have newly appeared in a population whereas re-emerging infections are those that existed in the past (SARS, EBOLA) but have reappeared.