Fig. 2From: Development and virucidal activity of a novel alcohol-based hand disinfectant supplemented with urea and citric acidVirucidal efficacy of the final formulation with 2Â % urea and 2Â % citric acid against dried viruses. A carrier assay was performed with murine norovirus (MNV), vaccinia virus strain Elstree and adenovirus (AdV) as test viruses at two different exposure times. The reduction factor was determined and is displayed with standard deviationsBack to article page