Pulmonary nocardiosis is mainly acquired by direct inhalation of Nocardia spp. from contaminated soil, and presents as a subacute or chronic suppurative pulmonary disease.

• 其传染途径主要是存在土壤中的奴卡氏菌经由空气吸入肺部而呈现出亚急性或慢性肺部发炎。