Give a stream of consciousness and then the final answer. Hand sanitizer is a liquid generally used to decrease infectious agents on the hands. Formulations of the alcohol-based type are preferable to hand washing with soap and water in most situations in the healthcare setting. It is generally more effective at killing microorganisms and better tolerated than soap and water. Hand washing should still be carried out if contamination can be seen or following the use of the toilet. The general use of non-alcohol based versions has no recommendations. Outside the health care setting evidence to support the use of hand sanitizer over hand washing is poor. They are available as liquids, gels, and foams.\n\nAnswer this question based on the passage: when may an alcohol-based hand rub be used for hand sanitization?
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The relevant information is: Formulations of the alcohol-based type are preferable to hand washing with soap and water in most situations in the healthcare setting.
So, the final answer is most situations in the healthcare setting.
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