Both latent tuberculosis infection and TB disease can be treated, but each requires a different approach. Those people infected with latent TB do not yet show symptoms of sickness, but they carry the TB bacteria in their... More »

According to WebMD, pulmonary tuberculosis is contagious. It spreads when a person with the disease breathes out, allowing the bacteria to pass to another person when he breathes it in. However, if TB develops in another... More »

A TB test is positive when a firm red bump develops at the injection site within two days of receiving the TB antigens injection. A positive test result does not determine how long a person has been infected or whether t... More »

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