Medicine An inoculum size of 10-100 bacteria or cysts can produce infection in all except : A Shigella B Enterohemorrhagic Escherichia coli C Giardia lamblia D Vibrio cholerae 💡 Explanation An inoculum size of 10-100 bacteria or cysts can produce infection in all except : ✓ Correct Answer: D. Vibrio cholerae