Other name for hypersensitivity pneumonitis

Hallmark serum finding of hypersensitivity pneumonitis

Acute vs. chronic hypersensitivity pneumonitis

Treatment of hypersensitivity pneumonitis

2 features of eosinophilic pneumonia

CXR findings of eosinophilic pneumonia

Treatment for eosinophilic pneumonia

5 types of hypersensitivity pneumonitis

3 types of hypersensitivity pneumonitis are caused by spores of the same type of organism. What are the 3 types, and what is the organism?