Evolution-Lecture 2 - Important definitions and concepts Flashcards
1
Q
What is the virus that causes AIDS?
A
HIV (Human Immunodeficiency virus)
2
Q
What is AIDS?
A
Acquired immune deficiency disorder
3
Q
Where is the prevalence/incidence of AIDS highest?
A
Africa (South Africa)
4
Q
What are the different ways in which HIV can be transmitted?
A
- Injection drug use
- Sex work
- Heterosexual sex with a partner at high risk
- Male-Male sex
- casual heterosexual sex
5
Q
How has the epidemic of AIDS affected life expectancy in Southern Africa?
A
Caused a sharp reduction in life expectancy at birth.
6
Q
Since the late 1990’s, how has the number of people newly infected each year in South Africa changed?
A
Decreased