How soon do symptoms appear?
Evidence of infection (a positive skin test) may occur from four to 12 weeks after exposure. The most hazardous period for developing clinical disease is usually within 6 to 12 months after infection but can be latent, occurring much later in life.

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1. What is tuberculosis?
2. Who gets tuberculosis?
3. How is tuberculosis spread?
4. What are the symptoms of tuberculosis?
5. What is the difference between the tuberculosis infection and the disease?
6. How soon do symptoms appear?
7. When and for how long is a person able to spread tuberculosis?
8. What is the treatment for tuberculosis?
9. What can be the effect of not being treated for tuberculosis?
10. What can be done to prevent the spread of tuberculosis?