Farmer's lung

Nature 
Farmer's lung is an allergic disease due to inhaled organic dusts, affecting mainly the alveoli. The main causes of the disease are the spores of certain thermophilic actinomycetes, particularly [Micropolyspora faeni] and, to a lesser degree, [Thermoactinomyces vulgaris].
Aggravated by 
Type 
(E) Emanations of other problems