Learning Outcomes for Study Session 20
When you have studied this session, you should be able to:
20.1 Define and use correctly all of the key words printed in bold. (SAQs 20.1 and 20.2)
20.2 Summarise the main features of the HIV epidemic in Ethiopia. (SAQ 20.1)
20.3 Describe the basic components and functions of the immune system, and explain what HIV is and how the immune system is affected by it. (SAQs 20.1, 20.2 and 20.3)
20.4 Describe the usual course of an HIV infection and how it progresses to AIDS in the absence of effective treatment. (SAQs 20.1, 20.2 and 20.3)
20.5 Describe the modes of transmission of HIV. (SAQ 20.1)
Study Session 20 Introduction to HIV/AIDS