EPA 777-99. Lysol disinfecting spray helps protect your family and helps keep them healthy. Our products are designed to provide germ protection and can kill 99.9% of viruses and bacteria on hard surfaces when used as directed. From counters to couches, you can depend on Lysol to kill 99.9 percent of bacteria. This spray eliminates odors and kills 99.9 percent of mildew, mold, and viruses on most household surfaces. Sanitizes soft surfaces and deodorizes the air.