Reviewers -- Contents -- Tables, Figures, and Boxes -- Acronyms -- Summary -- 1 Introduction -- 2 The Global Spread of Multidrug-Resistant and Extensively Drug-Resistant Tuberculosis -- 3 MDR TB Transmission, HIV Coinfection, and Transmission Control -- 4 Diagnosis -- 5 Infrastructure and Health Care Delivery Systems -- 6 Global Systems for the Purchase and Delivery of TB Drugs -- 7 Research on the Global Control of TB: Understanding the Role of Drugs, Vaccines, and Funding -- 8 Strategies for Confronting the Global MDR and XDR TB Crisis -- References -- Appendix A: Agenda -- Appendix B: Participant Biographies -- Appendix C: Partners In Health White Paper-Stemming the Tide of Multidrug-Resistant Tuberculosis: Major Barriers to Addressing the Growing Epidemic.