Question of the Day

Question of the Day –Wednesday September 6, 2017

Question:  C. diphtheriae is an aerobic gram-positive bacillus. Toxin production (toxigenicity) occurs only when the bacillus is itself infected (lysogenized) by a specific virus (bacteriophage) carrying the genetic information for the toxin (tox gene). Only toxigenic strains can cause severe disease. What is the pathogenesis of toxigenic diphtheria?

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Question of the Day –Wednesday August 30, 2017

Question:  C. diphtheriae is an aerobic gram-positive bacillus. Toxin production (toxigenicity) occurs only when the bacillus is itself infected (lysogenized) by a specific virus (bacteriophage) carrying the genetic information for the toxin (tox gene). Only toxigenic strains can cause severe disease. What is the pathogenesis of toxigenic diphtheria?

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