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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.
user
Maximum damage to Napoleon&;s army during his amrch to Moscow was done by?
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The correct answer is  Typhus had been present in Poland and Russia for many years during 18th century. Typhus is caused by Rickettsia prowazekii.