Farmer's lung disease

Farmer's lung disease is the main form of occupational hypersensitivity pneumonitis (see this term), caused by chronic inhalation of microorganisms, often thermophilic actinomycetes and less commonly <i>saccharopolyspora rectivirgula</i>, living in mouldy hay, straw, or grain. It is characterized by variable degrees of dyspnea, cough, tiredness, headaches and occasional fever/night sweats, with acute, sub-acute or chronic clinical course