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  • in this season of flu, and so many other germs were told again and again that hand sanitizers and soap are the best defense.

  • Last year, Americans spent more than $170 million on hand sanitizers alone.

  • So we wondered what works best and how to the sanitizers comparing a showdown with soap.

  • Well, tonight, our chief medical editor, Dr Richard Besser, puts them to the test and get some real answers.

  • Clean as many as 400,000 germs.

  • Her hand.

  • That's how many bacteria travel with us every day.

  • So you're at the University of Maryland Food Saiki Lab.

  • Six brave grad students and I voluntarily doused her hands in a toxic brew of thousands of E.

  • Coli bacteria.

  • Yep, E.

  • Coli Good.

  • Something that a little odd about rubbing cola to see what would take it off first up hand sanitizers.

  • We tested two kinds you'll find at the store.

  • One with 60% alcohol and one so called natural formula containing no alcohol key with hand sanitizers is to use it.

  • Enough of it.

  • Your hands should take a full 15 seconds or longer to dry.

  • Now let that air dry.

  • Okay, then we pressed our hands onto special incubation plates to grow any remaining bacteria.

  • The results dramatic here.

  • Those graying spots of the coli that grew from unwashed hands after using hand sanitizer with 60% alcohol.

  • But the formula without alcohol.

  • Just look at how many germs are left behind.

  • Alcohol based hand sanitizers works so much better because alcohol breaks up the bacteria's proteins and kills them.

  • But if you really want to get clean, what's your best bit of all?

  • Guess what?

  • It's your old friend, so so not only does as well in bacteria is the sanitizer.

  • It gets more viruses too.

  • Surprising studies show regular end into bacterial soap are about equally effective, but how you use it is crucial.

  • Go.

  • Most of us only spent five seconds in the sink.

  • Just look how many germs remain.

  • Yuck!

  • Go.

  • You have to wash your hands for a full 20 seconds to really get the bugs off on.

  • And yet that singing Happy Birthday twice.

  • So let's review it again.

  • Hand sanitizers.

  • If you can't get to a Cinque, look for one with at least 60% alcohol but washing with soap.

  • Any kind is better, as long as you watch for long enough.

  • Dr.

in this season of flu, and so many other germs were told again and again that hand sanitizers and soap are the best defense.

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テストに置かれる手の消毒剤と石鹸 (Hand Sanitizers and Soaps Put to the Test)

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    林宜悉 に公開 2021 年 01 月 14 日
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