1. Immunization of health-care personnel: recommendations of the Advisory Committee on Immunization Practices (ACIP);MMWR,2011
2. Healthy People 2020 Topics & Objectives: Immunization and Infectious Diseases: Topic IID-12.9. The Department of Health and Human Services website. http://www.healthypeople.gov/2020/topics-objectives/topic/immunization-and-infectious-diseases/objectives. Published 2014. Accessed October 27, 2015.
3. Influenza vaccination coverage among health care personnel—United States, 2013–14 influenza season;Black;MMWR,2014
4. Preventing Hospital-Acquired Infections: A National Survey of Practices Reported by U.S. Hospitals in 2005 and 2009
5. Department of Veterans Affairs. Memorandum: NPC Endorsement of Influenza Vaccination. 2014.