EXPIRED. EFFECTIVE 03/28/2023 THE GUIDANCE IN THIS MEMO IS NO LONGER IN EFFECT. CMS is committed to taking critical steps to ensure America’s health care facilities and clinical laboratories are prepared to respond to the threat of the COVID-19. Guidance for Infection Control and Prevention of COVID-19 - CMS is providing additional guidance to nursing homes to help them improve their infection control and prevention practices to prevent the transmission of COVID-19, including revised guidance for visitation. . Coordination with the Centers for Disease Control (CDC) and local public health departments - We encourage all nursing homes to monitor the CDC website for information and resources and contact their local health department when needed (CDC Resources for Health Care Facilities: https://www.cdc.gov/coronavirus/2019ncov/healthcare-facilities/index.html.