Ventilation Pneumonitis, also known as air-conditioner and humidifier lung, is related to extrinsic allergic alveolitis and allergic disease. An important gene associated with Ventilation Pneumonitis is MUC1 (Mucin 1, Cell Surface Associated), and among its related pathways/superpathways is Network map of SARS-CoV-2 signaling pathway. The drugs Acetylsalicylic acid and Heparin, bovine have been mentioned in the context of this disorder. Affiliated tissues include lung and whole blood.