Question
Why should we avoid standing close to a tuberculosis patient while he/ she is coughing?
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Answer
Tuberculosis is an air-borne disease, which is easily spreads when the infected person coughs. As coughing spreads germs in the air and these germs remain suspended in air until inhaled by person present in proximity of the patient who is suffering from the disease. That is why we should avoid standing close to a $TB$ patient.
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