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Hand sanitizers are very commonplace. You see them sold in small bottles and in the pumps on the walls of airports, hospitals and schools. Many people associate hand sanitizers with…

We all know how to wash our hands, right? Rinse it under cleaning running water. Done. Right? Wrong! Did you know that only 19% of people surveyed, wash their hands…

我们都知道，正确洗手对预防疾病至关重要。