本文研究了各种棉花植物以及不同工场的棉花的细菌污染,菌种主要以肠道类革兰氏阴性杆菌占优势。当豚鼠吸入从棉花中培养的(G(一)杆菌)菌株时,在假单孢菌及肠道细菌属中发现强有力的白细胞活动能力而在土壤细菌或芽孢菌属中则未发现。本文讨论了吸入含细菌的灰尘及肺部症状发展的病原学及后内毒素的产生。 This paper studied the bacterial contamination of various cotton plants and cotton from different factories. The strains mainly dominated intestinal gram-negative bacilli. When guinea pigs inhaled the (G (a)) bacterium strain cultivated from cotton, they found strong leukocyte activity in Pseudomonas and gut bacteria but not in soil bacteria or Bacillus. This article discusses the etiology of inhalation of bacteria-containing dust and the development of lung symptoms and the production of post-endotoxin.