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It is not known that human skin carries viruses other than papilloma viruses. However, temporarily infected hands are effective in spreading many types of viral infections. Hand hygiene is important to reduce the burden of viruses and some microorganisms on the hands and the risk of disease transmission. In the ASTM E1838-17 standard, developed by the American Society for Testing and Materials (ASTM), a test method for determining the effectiveness of microbicidal or non-microbicidal formulations in eliminating the virus is presented. This test method should be applied by persons trained in virology in facilities designed and equipped to work with potentially infectious agents at biosafety level 2.
The in vivo test method presented in the ASTM E1838-17 standard is designed to test the ability of hygienic handwashing and hand rub agents to reduce the level of infectious viruses selected from adult test-contaminated fingertips. The test method described relates to testing with viruses of human origin, but is easily adapted to work with animal pathogenic viruses and bacteria. It offers ASTM E2276 standard for bacteria and ASTM E2613 standard for fungi, as well as test methods.
Some of the viruses used during the tests are: adenovirus type 5, murine norovirus, rhinovirus, rotavirus and feline calicivirus. The tests are performed with at least three subjects for each test item and virus combination to be evaluated. The exposure time to the test substance must represent the actual conditions of use. For example, 10-20 seconds for a hand soap and 20-30 seconds for a hand sanitizer.
The ASTM E1838 standard includes a finger pad protocol. In in vivo studies conducted according to this protocol, a tube containing an antiseptic is applied to the fingertips of 10 test subjects and inverted 10 times within the exposure period.
With the experience gained over many years, our organization provides ASTM E1838-17 Adult finger pads, within the framework of laboratory services of the materials with a trained and expert staff. It also provides standard standard testing services to determine the effectiveness of hygienic hand washing and hand rub agents in eliminating viruses.
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