寄生虫性呼吸系疾患甚为常见,但其临床表现多变且无特征性病变,易被忽视,并难以作出明确诊断。本文就不同病程及有关虫种分别述之如下。 Parasitic respiratory disease is very common, but its clinical manifestations of change and no characteristic lesions, easily overlooked and difficult to make a clear diagnosis. This article on the different course of disease and related species were described below.