Question: The reference cited below notes that “Hypersensitivity pneumonitis (HP) is an interstitial lung disease caused by an immune response to a variety of antigens to which patients have previously been sensitized.” So-called “Farmer’s lung” is one of the most common types of HP. What is the prevalence of farmer’s lung in agricultural workers?
Answer: The prevalence of farmers lung is estimated to be between 0.2 and 1.5% in farmers. (Soumagne T. et al. Emphysema in active farmers lung disease. PLOS ONE | https://doi.org/10.1371/journal.pone.0178263 June 14, 2017)
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