RE: Tuberculosis (TB); A Global Health Burden
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Diagnosis of tuberculosis by direct sputum microscopy is the method of choice whenever possible. Direct microscopy is relatively cheap, fairly easy to perform and much more specific than chest x-ray.
A direct microscopy is not end all especially when the result is negative due to low number of bacteria. A culture is required to prove the definitive existence of the bacteria.
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Great. Thanks for the addition