With the Covid-19 infections rising alarmingly, there are aggressive campaigns across the world for hand washing as a precaution. But, many do not know how it should be done and why it is important.
Why the hand washing?
• Coronaviruses are encased in a lipid envelope — basically, a layer of fat. Soap can break that fat apart and make the virus unable to infect you.
• The second thing soap does is mechanical. It makes skin slippery so that with enough rubbing, we can pry germs off and rinse them away.
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