pneumonitis: inflammation of the lungs; caused by a virus or an allergic reaction
inflammation: a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat
hymenogastrales: an order of fungi belonging to the class Gasteromycetes; has a distinct basidiocarp with a fleshy or waxy gleba (sometimes placed in subclass Homobasidiomycetes)