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Whether it's store bought or home made - hand sanitizer is not as effective at killing germs as washing your hands with soap and water. But if handwashing isn't available, you can use a good alcohol based store bought hand sanitizer to reduce the spread of germs. Again, if you're having hard time to find a sanitizer at store or online due to over demand, in that case you can make your own home-made hand sanitizer following the steps below :

Do you know  the viruses persisted on metal, plastic, and glass surfaces at room temperature for four to five days, and could persist for up to nine days depending on temperature and humidity ?