Zapka note that the hands of all participants were decontaminated with soap after the test, followed by a disinfectant untouched. At the conclusion of the study, all the soap dispensers were replaced with contaminated soap dispensers with sealed refills. After a year of use, none of them was found to be contaminated.Bulk soap dispensers rechargeable, where soap is poured into a new distributor, are the predominant type of soap dispenser at the community level, such as public toilets. Unlike sealed soap dispensers, which are filled with the insertion of a new bag or cartridge of soap, are subject to bacterial contamination and several outbreaks associated with the use of contaminated soap have already been reported in health facilities.

Today, scientists agree that cooperation is growing that the benefits of cooperation and / or relatives. According to the researchers model genes that encode secretome are located in the upper part of the bacterial cell genome and found to be shared by other bacteria. In fact, many of them were taken potential for cooperation, but, more interestingly, they also found many genes E..

‘Wash your hands with soap and water is a universally accepted practice to reduce the transmission of potentially pathogenic microorganisms. However, liquid soap can become contaminated by bacteria and is a recognized health hazard in rural health,’ said Carrie Zapka of GOJO Industries in Akron, Ohio, the principal investigator of the study that included scientists Bioscience laboratories in Bozeman, Montana and the University of Arizona, Tucson.