Tuberculosis in California: 2022 Snapshot
Tuberculosis disease (TB) is an illness caused by the bacteria Mycobacterium tuberculosis. TB usually affects the lungs and spreads through the air when a person sick with TB coughs. Not everyone infected with the bacteria becomes sick. People that have been infected but are not sick have latent tuberculosis infection (LTBI). People with LTBI can become sick with TB disease in the future if they do not take treatment for LTBI. ā