What are the stages of Tuberculosis?
- Exposure: This happens when a person has been in contact, or exposed to, another person who is thought to have or does have TB. The exposed person will have a negative TB skin test, a normal chest x-ray, and no symptoms of the disease yet.
- Latent TB infection: This happens when a person has the TB bacteria in his/her body, but does not have symptoms of the disease. This person would have a positive skin test, but a normal chest x-ray and no illness.
- TB disease: This describes the person that has symptoms of an active infection. The person would have a positive skin test, a positive chest x-ray, and might be ill
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