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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Which of the following causes both cutaneous and respiratory diphtheria
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The correct answer is  C.diptheria causes both cutaneous and respiratory diphtheria. In the tropics, diphtheria bacilli infect the skin more than the respiratory tract. toxigenic diphtheria persists in the skin over three years. Cutaneous infections are secondary to pre-existing skin lesions. Ref: Textbook of microbiology; Ananthanarayan and paniker's; Pg 241; 10th Edition