The document summarizes information about tuberculosis (TB), including: - TB is an infectious disease caused by a bacterium that most commonly affects the lungs and is transmitted through the air. It kills over 3 million people annually. - There are different types of TB that can affect various parts of the body, such as the lungs, bones, skin, and others. Types include avian TB, bovine TB, and Mycobacterium TB. - Symptoms of active TB infection may include slight fever, night sweats, weight loss, and fatigue. Diagnosis involves a skin test and treatment depends on the type of TB and can include antibiotics or surgery.