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A patient with leprosy had slightly erythematous, anesthetic plaques on the trunk and upper limbs. He was treated with paucibacillary multidrug therapy (PB-MDT) for 6 months. At the end of 6 months, he had persistent erythema and induration in the plaque. The next step of action recommended by the World Health Organization (WHO) in such a patient is

AStop antileprosy treatment
BContinue PB-MDT till erythema subsides
CBiopsy the lesion to document acitivity
DContinue dapsoen alone for another 6 months
Social & Preventive Medicine
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