. . . . . "Clostridium botulinum is a Gram-positive, rod-shaped, anaerobic, spore-forming, motile bacterium with the ability to produce the neurotoxin botulinum. The botulinum toxin can cause a severe flaccid paralytic disease in humans and animals and is the most potent toxin known to humankind, natural or synthetic, with a lethal dose of 1.3-2.1ng/kg in humans.C."@en . . "Clostridium botulinum"@en .