Kleenex® Anti-Viral™ Tissues are the only tissue that can kill 99.9% of cold and flu viruses, helping you to take care of you and your family during cold and flu season. Anti-Viral Tissues are made with three soft plies, including a moisture-activated middle layer that kills 99.9% of cold and flu viruses in the tissue, making them perfect for your home, office or school. Stock up and save and keep Anti-Viral tissues on hand to care for you, your family and your guests. In the tissue in 15 minutes. 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 infection in children).