You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Increased susceptibility to disease due to V. cholerae, Shigella, E. coli O157, and norovirus is seen in which blood groups? and explain in detail?
People with blood group O has increased susceptibility to to V. cholerae, Shigella, E. coli O157, and norovirus. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 1085