Effective against Mycobacterium tuberculosis (TB) in 30 seconds! One-minute germicidal efficacy: human immunodeficiency virus, type 1 (HIV-1), poliovirus, type 1 (Mahoney), herpes simplex virus (HSV-2), rotavirus, Staphylococcus aureus, methicillin-resistant Staphylococcus aureus (MRSA), Salmonella choleraesuis, Pseudomonas aeruginosa, Streptococcus pyogenes, vancomycin-resistant Enterococcus faecalis (VRE), and Trichophyton mentagrophytes (athlete’s foot fungus). Remains stable to expiration date (2 years from manufacture), unlike bleach solutions, which begin to deteriorate immediately.