Medicine The endotoxin of the following gram-negative bacteria does not play any part in the pathogenesis of the natural disease – A Escherichia coli B Klebseilla spp. C Vibrio cholerae D Pseudomonas aeruginosa 💡 Explanation The endotoxin of the following gram-negative bacteria does not play any part in the pathogenesis of the natural disease - ✓ Correct Answer: C. Vibrio cholerae