Home / Blog / Teachers Use Bread to Show Why Handwashing Matters
photo of moldy bread experiment

Teachers Use Bread to Show Why Handwashing Matters

Teachers Use Bread to Show Why Handwashing Matters

Still assume hand sanitizers paintings simply in addition to cleaning soap and water? A up to date lecture room experiment long past viral would possibly exchange your thoughts.

Special schooling trainer Dayna Robertson and behavioral specialist Jaralee Metcalf, who paintings at Discovery Elementary in Idaho Falls, ID, set out to train their scholars a lesson concerning the significance of handwashing — armed with only a loaf of bread.

“We took fresh bread and touched it. We did one slice untouched. One with unwashed hands. One with hand sanitizer. One with washed hands with warm water and soap. Then we decided to rub a piece on all our classroom Chromebooks,” Metcalf says in a Dec. five Facebook put up.

They put the bread in resealable plastic luggage and waited three to four weeks. The effects weren’t lovely. While the slice touched via blank palms was once in near-perfect situation, the only the academics rubbed at the computer systems was once nearly lined in mildew, together with the piece touched via grimy palms. But the slice treated via scholars who used handiest hand sanitizer had a just right quantity of mildew, too.

WebMD Senior Medical Director and pediatrician Hansa Bhargava, MD, says hand sanitizers don’t paintings in addition to folks assume they do — on no account higher than handwashing.

Handwashing is some of the efficient approach to save you infections … [it] can eliminate dust, spores, and insecticides, whilst sanitizers won’t,” Bhargava says.

In one find out about, a 30-second hand wash killed the flu virus. But hand sanitizers didn’t, even after the use of them for two mins, Bhargava says.

How you wash your palms is simply as essential as what you utilize to blank them — a 2-second rub and rinse received’t minimize it. Follow those CDC pointers:

  • Wet your palms with blank working water (heat or chilly) and get some cleaning soap.
  • Lather your palms via rubbing them in conjunction with the cleaning soap.
  • Scrub all surfaces of your palms, together with the fingers, backs, arms, between your arms, and beneath your nails. Keep scrubbing for 20 seconds. Need a timer? Hum the “Happy Birthday” track two times.
  • Rinse your palms beneath blank, working water.
  • Dry your palms the use of a blank towel, or air dry them.

Metcalf says she and her circle of relatives had been in poor health, together with a large number of scholars and lecturers, so the experiment was once a “shocking and enlightening” one who made them extra conscious about lecture room hygiene.

“As any individual who’s in poor health and uninterested in being in poor health, and drained of being in poor health and drained: Wash your palms! Remind your youngsters to wash their palms!”



Jaralee Metcalf, behavioral specialist, Discovery Elementary, Idaho Falls, ID.

Hansa Bhargava, MD, pediatrician, WebMD.

CDC: “Handwashing and Hand Sanitizer Use at Home, at Play, and Out and About.”

© 2019 WebMD, LLC. All rights reserved.

Check Also

Key Drugs Join PPEs on List of Front-Line Shortages

Key Drugs Join PPEs on List of Front-Line Shortages What your physician is studying …

Leave a Reply

Your email address will not be published. Required fields are marked *

%d bloggers like this: