Clorox Concentrated Germicidal Bleach is EPA-registered to kill 39 organisms, including multiple strains of MRSA, norovirus, flu virus, E. Coli, listeria and Salmonella when used as directed. Works on countertops, floors, toilets and other hard surfaces. Removes stains and kills mold and mildew. Ideal for use in busy healthcare environments, offices, schools and other commercial facilities.