1 Fast, labored breathing: Fluid in the smallest airways (the alveoli) causes pneumonia, an infection due to a virus or bacteria. 2  Pneumonia causes fast, labored breathing, occasionally cyanosis, a persistent cough, and crackly sounds (rales) when listened to with a stethoscope.
Definition of BOTULINUM. : a spore-forming bacterium (Clostridium botulinum) that secretes botulinum toxin.â botÂ·uÂ·liÂ·nal \-ËlÄ«-nÉl\ adjective. a spore-forming bacterium (Clostridium botulinum) that secretes botulinum toxin.
Botulinum Toxin. Botulism is an intoxication caused by botulinum toxin, which is produced by Clostridium botulinum and, rarely, by other Clostridium species. Seven antigenically distinct toxin types (A, B, C, D, E, F, G) have been identified.