SAFE + SOUND is focused on enhanced cleaning practices, social interactions and workplace protocols, while ensuring transparency through the Guest and Team Member journey. Center for Disease Control and Prevention (CDC). It also includes directives of key agencies, such as the World Health Organization (WHO) and the U.S. The SAFE + SOUND program has been developed by a team of hospitality and gaming experts in collaboration with worldwide health and sanitation specialists, such as Ecolab and NSF International.