BS EN 17915 : 2022

Test method for the evaluation of virucidal activity of chemical disinfectants on hard non-porous surfaces in food, industrial, domestic, and institutional areas (phase 2 step 2)

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Quick understanding of the test

BS EN 17915 : 2022 - Test method for the evaluation of virucidal activity of chemical disinfectants on hard non-porous surfaces in food, industrial, domestic, and institutional areas (phase 2 step 2)

EN 17915 is a phase 2 step 2 quantitative carrier test method for the evaluation of the virucidal activity of disinfectants on hard non-porous surfaces.

Application

Applicable to disinfectant products used in food, industrial, domestic, and institutional areas
  • Test virus suspension with interfering substance is inoculated onto a test surface and dried.
  • Dried inoculated surface is exposed to disinfectant for specific contact times. 
  • At the end of contact time, the disinfectant activity is neutralized.
  • Infectious titre of virus recovered is determined and compared with infectious titre from control test.

Turnaround Time

EN 17915 test takes 4-5 weeks to complete.
The efficacy of the disinfectant is evaluated by measuring the reduction in infectious virus titer compared to the control sample.

Passing criteria

The disinfectant must demonstrate at least a 4 log reduction in the infectious virus titre.

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Abstract

EN 17915 standard specifies the test method to determine  virucidal activity of  disinfectants on non – porous surfaces without mechanical action.  EN 17915 test is applicable to disinfectant products used in food, industrial, domestic, and institutional areas,  except for the situations where disinfection is medically indicated and excluding products used on living tissues.

EN 17915 is a carrier test method (phase 2, step 2) that aims at determining the efficacy of  disinfectants under more realistic conditions.

EN 17915 Test Conditions & Requirements

EN 17915 Test Method

  • Test suspension of virus with interfering substance is inoculated onto a test surface and dried out.
  • Disinfectant sample is evenly spread on dried microbial film and allowed to interact for  specific contact times. In parallel, a control test is run wherein the virus infected test surface is treated with hard water instead of disinfectant.
  • At the end of contact time, the test surface is immediately transferred to the cell maintenance medium to neutralize further activity of the disinfectant sample.
  • Infectious titre of virus recovered in cell maintenance medium is determined and compared with infectious titre from control test.

Passing criteria

The disinfectant product must demonstrate at least 4-log reduction to pass the standard.

Importance of EN 17915 Test

Many viruses exhibit the ability to survive on hard surfaces for an extended period and remain infectious. The process of  disinfection plays a crucial role in elimination of harmful viruses and ensures a safe and hygienic environment. Not all available disinfectants are capable of effectively killing viruses. It is essential to use disinfectants formulated with virucidal agents for effective virus disinfection.


As per European norms, disinfectants claiming virucidal activity must be tested for their efficacy under standardized methods. The European Standard EN 17915 has been devised to check the virucidal efficacy of non-porous surface disinfectants before their intended applications.

Conclusion

MIS performs routine virucidal testing on disinfectants and antiseptics utilized for diverse application areas including food, industrial, domestic, institutional, medical, and veterinary settings. 

Our cutting-edge facility offers antiviral efficacy research globally, catering to products with antiviral potential. 

Explore,  EN 16777 test for virucidal activity of chemical disinfectants at MIS lab.

To get a quote on  EN 17915 test or to learn more about our testing capabilities, please contact our experts today.

Frequently Asked Questions

DR. Martinoz Scholtz

MIS Labs
1. What is EN 17915 test?

EN 17915  describes phase 2, step 2 test method to assess virucidal efficacy of non-porous surface disinfectants utilized in food, industrial, domestic, and institutional areas.  The EN 17915 test method stimulates more real conditions by using a test surface (career) to determine the virucidal potential of disinfectant samples.

2. What are the Products that can be tested with EN 17915 test?

EN 17915 test is applicable to products used for disinfection of non-porous surfaces. These products are  commonly used across various sectors such as food, industry, households, and institutions.

3. What is the Turnaround Time for EN 17915 test?

 EN 17915 test takes 4-5 weeks to complete.

4. On how many microbial strains can your EN 17915 testing lab perform tests on?

At Microbe Investigations Switzerland, we test for EN 17915 using the following microbial strains:   Adenovirus (ATCC VR-5), Murine Norovirus (FLI S99), Vaccinia virus (ATCC VR-1549), and Murine Parvovirus. Additional virus strains can be tested on customerโ€™s request.

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