<prompt> Tuberculous pericarditis is included in which treatment category of DOTS strategy?Category ICategory IICategory IIICategory IV  <response>: parks textbook of preventive and social medicine 23rd esition. category1red box include new sputum smear positive ,new sputum smear negative ,new extra pulmonary cases includes TB cases of meningitis ,disseminated TB,tuberculous pericarditis,peritonitis,bilateral or extensively pleurisy,spinal TB with neurological complications and intestinal and genito urinary TB . 