Strains that lead to no symptoms in animals will make persons sick, and vice versa. If existing in foods, it does not usually have an impact on the taste, scent, or look of your foods. The microbes reside in the intestinal tracts of contaminated animals and humans. FSIS inspectors https://thebookmarkid.com/story19880169/indicators-on-comparison-of-botulinum-toxins-you-should-know