1. To understand the global impact TB has in developing countries and the United States.
2. To understand how drug resistant TB is changing treatment and prevention strategies.
3. Be able to describe which factors of emergence have contributed to the problem of MDR-TB.

INTRODUCTION

TB is a major health problem worldwide. It is estimated that about a third of the world's population is infected by Mycobacterium tuberculosis. This lecture will address the worldwide increases in TB and the explanations for these increases. We will also cover transmission, clinical manifestations, diagnosis, treatment and most importantly, control. WHO declared TB a global health emergency in 1993 and launched the Directly Observed Therapy Strategy (DOTS) for TB control. This lecture will address the component of DOTS as well as the reporting and recording of TB. Lastly, the lecture will speak to vaccination and multi-drug resistant tuberculosis.

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