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1. Severe respiratory disease of birds that takes the form of an acute rapidly fatal pneumonia in young chickens and turkeys
   - brooder pneumonia
    
2. An opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs
    
3. Disease especially in agricultural workers caused by inhalation of Aspergillus spores causing lumps in skin and ears and respiratory organs

Derived forms: aspergilloses

Type of: animal disease, disease, opportunistic infection

Encyclopedia: Aspergillosis