The handiwork of good health - Harvard Health
Regular hand washing is solid germ-fighting practice when done properly. Alcohol-based sanitizing rubs are more convenient, and are also reasonably effective if enough of the product is used...
鄭晨恩 mark this message contains misinformation
｜originally written by 鄭晨恩
肥皂並不能殺死細菌，以肥皂和水清潔雙手，其原理是以水流通過手部帶走細菌，而使用肥皂是為了更有效率的讓手部的細菌脫落順著水流帶離雙手，並不能“殺死”細菌，的確以肥皂和水清潔雙手，搓揉15秒以上將能保證去除雙手99.9％的細菌，但並不會殺死細菌。
References
參考資料：https://www.health.harvard.edu/newsletter_article/The_handiwork_of_good_healthhttps://www.health.harvard.edu/newsletter_article/The_handiwork_of_good_health
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