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.
Botulism is a serious disease caused by the botulinum toxin. The botulinum toxin, a poison produced by the bacterium Clostridium botulinum (C. botulinum), is common in soil and exists in untreated water. It can survive in these environments as a resistant spore.