No pre-cleaning required. EPA registered to kill a total of 58 microorganisms. Proven efficacy against outbreak-causing viruses Influenza A and B viruses, Measles Virus and Norovirus. Kill HAI-causing pathogens including C.diff spores, MRSA and VRE in three minutes. Broad Spectrum disinfection efficacy against over 58 pathogens. Three minute contact time to kill C.Diff spores. Feature an anticorrosion agent to ensure compatibility with healthcare surfaces. Tested for surface safety on common healthcare and office surfaces and equipment. Intended for use in Healthcare settings.