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ASTM E2011
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Quick understanding of the test
ASTM E2011 - Test method for evaluation of hygienic handwash and handrub formulations for virus-eliminating activity using the entire hand
Application
- A viral suspension is applied to the hands, followed by the application of handwash or hand rub.
- After a specified exposure time, the virus is recovered and its infectivity is measured.
- The reduction in viral titer is calculated by comparing the virus levels before and after treatment.
- Serves as a benchmark for developing more effective antiviral hand hygiene products.
- Supports compliance with regulatory requirements for product approval and marketing.
Turnaround Time
Passing criteria
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Abstract
The ASTM E2011 standard specifies a test method to assess virus-eliminating activity of hygienic handwash and handrub formulations. In the test, volunteersโ hands are artificially contaminated with a known virus suspension, and after washing or applying handrub, the virus titer is measured to determine how much of the virus remains. By focusing on the entire hand, this test more accurately simulates real-world hand hygiene practices, particularly in environments where thorough hand disinfection is critical, such as hospitals, daycare centers and food-handling establishments
Test conditions and requirements
- Volunteer preparation – The volunteers should not use any antimicrobial products one week prior to the test so that interference with the test results is avoided if some residual antimicrobial agents remain.
- Virus strains – Adenovirus type 2 or 5, Hepatitis A virus, Murine norovirus, Rhinovirus, Rotavirus and Feline calcivirus
- Contact time – 20 seconds
- Interfering substance – 5% Bovine Serum
Test Methodology
- A minimum of six subjects are selected to perform the test.
- Pre-treatment virus titres are determined on both hands (including nail beds) of each subject to establish baseline values.
- Both hands of each participant, including nail beds, are exposed to high-titer virus suspensions with interfering substances.
- The exposure time to the test substance reflects real-life use, typically around 20 seconds.
- Post-treatment, virus titers (log TCIDโ โ) are recovered and compared to untreated baseline values.
- The log reduction in viral titer due to the treated product is calculated to determine product efficacy.
Conclusion
If you are interested in ensuring that your disinfectants meet the highest standards of virucidal efficacy, contact Microbe Investigation Switzerland today. Our expert team is ready to provide comprehensive testing and validation services tailored to your needs. Ensure the safety and effectiveness of your products by trusting MIS for all your microbiology testing requirements.
Frequently Asked Questions
DR. Martinoz Scholtz
ASTM E2011 tests the virus-eliminating activity of handwash and handrub formulations that utilize the entire surface of both hands.
ASTM E2011 tests for liquid, gel and foam hygienic handwash and handrub products whether alcohol-based or non-alcohol-based.
The typical turnaround time for ASTM E2011 testing ranges between 2-3 weeks depending on the product formulation and testing requirements
At MIS, we test for the ASTM E2011 using the following viral strains : Adenovirus type 2 or 5, Hepatitis A virus, Murine norovirus, Rhinovirus, Rotavirus and Feline calcivirus.
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