) Virkon S is a highly effective, broad-spectrum disinfectant for use in livestock containment or producer areas, proven effective against all virus families affecting man and animals. Virkon S is used around the world as a disinfectant for foot and mouth disease, yet is safe to animals and the environment. Fast acting 1% solution kills bacteria and fungi in less than 5 minutes and parvovirus in less than 10 minutes. Mix 1.3 oz per gallon of water to create a 1% solution. Concentrated formula for easy mixing and storage. Non-corrosive when used as directed. Light lemon scent.