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nounsevere respiratory disease of birds that takes the form of an acute rapidly fatal pneumonia in young chickens and turkeys
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nounan opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organstype of:
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noundisease especially in agricultural workers caused by inhalation of Aspergillus spores causing lumps in skin and ears and respiratory organstype of: