Jan 17, 2025 · Tuberculosis (TB) germs spread through the air from one person to another. TB germs can get into the air when someone with active TB disease coughs, speaks, or sings. People nearby …

Nov 13, 2025 · Tuberculosis (TB) is caused by bacteria (Mycobacterium tuberculosis) that most often affect the lungs. About one-quarter of the world's population has been infected with TB bacteria. In …

31 Module 1— Transmission and Pathogenesis of Tuberculosis Background In this module, you will learn about the history of tuberculosis (TB), how TB is spread from person to person (transmission), …

TB is spread through the air from person to person. Tiny particles containing M. tuberculosis (TB bacteria) may be expelled into the air when a person with infectious TB of the lungs, airway, or …

Nov 13, 2025 · WHO fact sheet on tuberculosis (TB): includes key facts, definition, global impact, treatment, HIV and TB, multidrug-resistant TB and WHO response.

Latent TB infection (LTBI): The condition when a person is infected with M. tuberculosis, but does not have TB disease. There are two types of TB conditions: Latent TB Infection and TB Disease. Click …

Jan 7, 2026 · Tuberculosis (TB) is the world’s top infectious killer. Nearly 4500 people lose their lives and 30 000 people fall ill with TB each day. TB is contagious and airborne. It is caused by bacteria …

Mar 25, 2024 · Contact your health care provider if you have been exposed to TB You may have been exposed to tuberculosis (TB) germs if you spent time near someone with active TB disease. TB …

Press play to watch a video on TB transmission and pathogenesis. To continue to Lesson 3: Testing for TB Infection, click the NEXT button.

Dec 30, 2005 · The higher risk for M. tuberculosis transmission in health-care settings in correctional facilities (including jails and prisons) is a result of the disproportionate number of inmates with risk …