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I know that TB is an air borne disease but does it spread through other means and what precaution one should take if a family member is tested positive with TB ? Is pleural TB contagious and does it spread through air or any other means and precaution and necessary steps to be taken?
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TB is contagious if the person having it is coughing and his sputum has the bacteria. If the cough is dry or if person has taken medicine for three weeks then the chances of spreading of the disease are very low. Pleural TB is not at all contagious as pleural space is out of lungs.
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