Removing footwear when entering house is a common practice of the society, but there are still others who consider this habit as a trivial thing. Not infrequently there are also people who let his feet still wear shoes or sandals from the outside when entering the house.

In fact, bringing in shoes or sandals into the house is a ‘forbidden’ act if viewed in terms of health. By perpetuating this habit, it means inviting a bunch of germs and bacteria into the house.

Reporting from the Independent, Dr. Charles Gerba who is a microbiologist found there are about 421 thousand bacteria outside the home and 2,887 in the house. Professor at the University of Arizona and his team found many bacteria carrying diseases including Escherichia coli, Klebsiella pneumonia, and Serratia ficaria. Everything can lead to serious illness.

“Microbes live around us and will stick to every surface that intersects,” explains Michael Loughlin, head of science and technology professor at Nottingham Trent University.

Loughlin assesses that bacteria or microbes attached to shoes are harmless unless the wearer steps on animal or human feces. “The bacteria that stick to the shoe comes from what we are stomping on. So make sure your shoes clean before entering the house, “he said. According to him diligently cleaning footwear, the risk of getting bacterial diseases was lower.

This opinion is supported by the results of a study conducted by a group of scientists from the University of Houston. They examined the presence of Clostridium difficile bacteria obtained from 2,500 shoe samples in Houston. This study was conducted during the period 2013 to 2015. The result 26.4 percent of sample shoes tested positive for Clostridium difficile bacteria.

However, it does not mean bacteria and germs will stick forever in shoes. From the research Gerba known if cleaning footwear has a major impact on health. For two weeks used outdoors, sandals or shoes to gather for 440 thousand bacteria. Cleansing footwear with detergent is said to reduce the amount of bacteria by 90 percent.

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