Although the U.S. Food and Drug Administration does not permit manufacturers to make claims against specific types of germs, 3rd. party testing of Plasti-Kleen's SafetyDerm® confirms effectiveness against these 18 common bacterial strains and hundreds more: Acinetobacter Sp. Citrobacter Enterobacter Aerogenes Escerichia Coli Klebsiella Pneumoniae Methicillin Resistant Staphylococcus Aureus Mycobacterium Bovis (BCG) Proteis Vulgaris Proteus Mirabilis Pseudomonas Aeruginosa Salmonella Choleraesius Salmonella Typhimurium Serratia Marcescens Shigella Flexneri Staphylococcus Aureus Staphylococcus Epidermidis Staphylococcus Hominis Streptococcus Pyogenes