Necrotizing Fasciitis Awareness Day is observed worldwide every year on May 31. Established in 2017 by the Necrotizing Fasciitis Foundation (NFF), the day aims to highlight the dangers of necrotizing fasciitis, a severe bacterial infection that can rapidly destroy soft tissue. The NFF was founded by Tim Hayden, a survivor of the disease, and the awareness day was initially recognized by the Governor of Michigan, with other U.S. states following suit. On this day, the NFF hosts its annual NFF Walk for Awareness, inviting participants to spread knowledge about the condition and raise funds for those affected. The day serves as a reminder of the importance of proper wound care and hygiene to prevent this rare but potentially fatal infection.