Strains that cause no symptoms in animals will make persons Ill, and vice versa. If present in food items, it does not commonly have an affect on the taste, odor, or physical appearance of the meals. The micro organism reside in the intestinal tracts of contaminated animals and humans. https://thebookmarknight.com/story19773887/5-simple-techniques-for-botulinum-toxins-in-clinical-aesthetic-practice