What is TB? -- What are the symptoms of TB? -- How is TB spread? -- What is the difference between latent TB infection and TB disease? -- What should I do if i have spent time with someone with Latent TB infection? -- What should I do if i have been exposed to someone with TB disease? -- How do you get tested for TB? -- What does a positive test for TB infection mean? -- What is Bacille Calmette-Guèrin (BCG)? -- Why is latent TB infection treated? -- How is TB disease treated?

Tuberculosis (TB) is a disease caused by germs that are spread from person to person through the air. TB usually affects the lungs, but it can also affect other parts of the body, such as the brain, the kidneys, or the spine. A person with TB can die if they do not get treatment.

Stephen B. Thacker CDC Library collection

United States