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 In a post operative intensive care unit, five patients developed post-operative wound infection on the same wound. Which of the following is the best method to prevent cross infection among patients in the same ward? and explain in detail?
Hand washing remains the single most impoant and effective method for preventing the spread of infectious disease. Ref: Reichel's Care of the Elderly: Clinical Aspects of Aging By Joseph J. Gallo, 5th Edition, Page 300; Harrison's Principles of Internal Medicine, 18th Edition, Page 1114.