1.  a) What is XDR-TB? 
b) Who is most susceptible to this disease?
c) In what country has it caused the deaths of 74 people?

2.  What organization says there is a correlation between TB and HIV infections?

3.  a) What is Sub-Saharan Africa?
b)  How many HIV-positive people live in Sub-Saharan Africa?

4.  a) Define quarantine. 
b) Why are some doctors in South Africa urging enforced quarantine? 
c) How did Davis Malombe of the Kenya Human Rights Commission view the idea of quarantining people infected with XDR-TB?

5.  a) How do scientists think that the XDR-TB strain developed? 
b) What are the problems with treating this strain of TB?

6.  Do you think that people infected with XDR-TB should be quarantined?  Explain your answer.