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Communicable Diseases

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Classifications of TB cases are based on the following factors and you will see these terms used when cases are confirmed:

organ involved: pulmonary or extra-pulmonary
sputum result: smear-positive or smear-negative
history of TB treatment: new or previously treated or relapsed
severity of the disease: severe or not severe (covered later in this study session).

14.2 Treatment of tuberculosis

14.2.2 Definition of types of TB cases

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