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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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Causative organism of which STD has safety pin appearance-
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The correct answer is  Ans. is 'b' i.e., Chancroid o Causative organisms of two STDs have safety pin (bipolar) appearance:i) Donovanosis or granuloma inguinale - Calymmatobacter granulomatosis.ii) Chancroid - H ducreyi