Guidelines for Design and Construction of Residential Health, Care, and Support Facilities, 2018 Edition, Facility Guidelines Institute http://www.fgiguidelines.org

Guidelines for Preventing Health-Care-Associated Pneumonia, 2003, MMWR 53 (RR-3), Advisory Committee on Immunization Practices, Centers for Disease Control and Prevention.

Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices — United States, 2020–21 Influenza Season, 2020, MMWR 69 (RR-8), Centers for Disease Control and Prevention.