Because cold and flu viruses are often spread by hand contact, Kleenex Brand has developed a tissue for your whole family. Kleenex Anti-Viral (Virucidal Against: Rhinoviruses type 1A and 2 (rhinoviruses are the leading cause of the common cold); influenza A and influenza B (causes of the flu); respiratory syncytial virus (RSV - the leading cause of lower respiratory tract infection in children)) tissue has three soft layers, including a moisture activated middle layer that kills 99.9% of cold and flu viruses in the tissue within 15 minutes. This product has not been tested against bacteria, fungi or other viruses.