Any of various small, gram - negative coccobacilli of the genus Bordetella, some of which are pathogenic in the human respiratory tract.It includes B.partussis, the causative agent of whooping cough.

• 博尔德氏杆菌一种小型博尔德氏杆菌属格兰氏阴性球菌，其中有些是人类呼吸道病原体，包括百日咳的病原菌百日咳杆菌属