활동

How useful are hand sanitizers?

They're definitely useful in the hospital, to help prevent the transfer of viruses and bacteria from one patient to another by hospital personnel. 

Outside of the hospital, most people catch respiratory viruses from direct contact with people who already have them, and alcohol sanitizer gel won't do anything in those circumstances. And they haven't been shown to have more disinfecting power than just washing your hands with soap and water.   

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