Environmental Services Advisories AHE advisories provide information regarding recent reports and offer recommended measures to consider. Hand and Environmental Hygiene: Preventing Pathogen Transmission Recent outbreaks of acute flaccid myelitis (AFM) and adenovirus among children have raised questions about ways to prevent transmission when those affected are admitted to a health care facility. Immediate Need for Health Care Facilities to Review Procedures for Cleaning, Disinfecting, and Sterilizing Reusable Medical Devices The Centers for Disease Control and Prevention (CDC) and U.S. Food and Drug Administration (FDA) are providing this update to cleaning, disinfecting, and sterilizing procedures. CRE and Shigella sonnei Outbreak Investigations Two very important updates regarding CRE and Shigella sonnei outbreak investigations. Covers for Hospital Bed Mattresses: Learn How to Keep Them Safe These recommendations are based on guidelines for environmental infection control in health care facilities issued by the CDC.