Content Status
Type
Linked Node
TB Infection Vs Active TB Disease
Learning ObjectivesThe learner will be able to distinguish between TB infection and disease.
H5Content
Content
| TB Infection | Active TB Disease |
|---|---|
| May not have any signs & symptoms | Has sign and symptoms such as cough for more than two weeks, fever, weight loss and blood in sputum |
| Bacteria are present in dormant state in the body | Bacteria are active and multiplying in the body |
| Doesn't spread TB bacteria to others | May spread TB bacteria to others |
| Chest X-ray usually normal | Lesion in Chest X- ray (usually) |
| May advance to active TB. It is estimated that the lifetime risk of an individual with TB infection for progression to active TB is 5–10%. | Needs treatment for TB disease |
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