2. Regional statistics for HIV and AIDS, end of 2010 Region Infected Newly Prev. Deaths Eastern Europe & Central Asia 1.5 million 160,0000.9%90,000 North America1.3 million58,0000.6%20,000 Western & Central Europe840,00030,0000.2%9,900 Global Total 34 million2.7 million 0.8%1.8 mill. http://www.avert.org/worldstats.htm

3. http://www.aptivus.com/patient/HIV_basics/Symptoms.jsp

4. B! Uganda example 1986 major epidemic, prevalence up to 29% in urban areas. Peak in 1991 prevalence of 15% to ± 5% in 2001. Stabilisation of prevalence 2000-2005 http://www.avert.org/aids-uganda.htm http://www.catholiceducation.org/articles/sexuality/se0074.html

5. B! Uganda example Why might prevalence have declined? Deaths: decline in the number of people living with AIDS during this period. Behaviour changes: –increased abstinence and monogamy –rise in the average age of first sex –reduction in the average number of sexual partners –more frequent use of condoms

6. B! Sprite example

8. A B: Be! C D E