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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
Hypersensitivity pneumonitis is/are caused by -
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The correct answer is  Bagassosis can lead to hypersensitivity pneumonitis,in which the antigen is thermophilic actinomycetes and the source of antigen is "moldy" bagasse (sugarcane).Other examples for HP include bird fancier's lung,farmer's lung,hot tube lung,chemical worker's lung,bird fancier's lung,etc. Reference:Harrison's medicine-18th edition,page no::2117.