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.
The genome of the organism that produces the world's most lethal toxin has been revealed. This toxin is the major weapon in the genome of Clostridium botulinum: less than two kg is enough to kill every person on the planet.