There are more than 70 species of mycobacteria—rod-shaped bacteria with waxy outer coats that can be found throughout the world. Tuberculosis and leprosy (Hansen’s disease) are the best known mycobacterial diseases. People may also be infected by any of a group of mycobacterial species collectively called non-tuberculous mycobacteria. While tuberculosis and leprosy are most common in resource-limited countries, non-tuberculous mycobacterial infections occur worldwide.
NIAID research on mycobacteria is leading to new or improved ways to diagnose, treat, or prevent tuberculosis and other mycobacterial diseases.
NIAID-supported scientists are conducting research on
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Statement: World TB Day 2015—March 24, 2015
Media Availability: NIH Researchers Find Possible Cause of Immune Deficiency Cases in Asia—Aug. 22, 2012
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Last Updated March 24, 2015