Concept explainers
HIV Distribution. Figure 5.36 displays the wealth of various countries (per capita income) and the percentage of adults infected with HIV in the same countries. The size of the bubble is proportional to the actual number of HIV-infected adults.
a. How is the location of countries indicated on the display? On what continent is Benin located?
b. Approximately how many people in South Africa live with HIV? What is the per capita income in that country?
c. Approximately how many people in india live with HIV? What is the per capita income in that country?
d. Discuss how incidence of HIV appears to be related to the wealth of a country.
e. What countries are notable exceptions to your conclusion in part (d)?
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