EN17122-2019isaEuropeanstandardthatspecifiesaquantitativetestmethodforevaluatingthevirucidalactivityofchemicaldisinfectantsandantisepticsusedinveterinaryareasonnon-poroussurfaces.Thisstandardispartofatwo-phaseprocess,withPhase2,Step2focusingonverifyingtheefficacyoftheseproductsunderpracticalconditions.Thetestmethodinvolvesapplyingamixtureofthetestproductandaviralsuspensiontoarepresentativenon-poroussurface.Afteraspecifiedcontacttime,theresidualvirusisneutralizedandquantifiedtodeterminethereductioninviralload.Therequirementsincludeachievingaminimumlogreductioninviraltitretodemonstrateeffectivevirucidalactivity.Thisstandardensuresthatdisinfectantsandantisepticsusedinveterinarysettingsmeetnecessaryefficacystandardstopreventthespreadofviralinfections.