1. Influenza vaccination acceptance among health-care workers: a nationwide survey;Maltezou;Vaccine,2008
2. Influenza vaccination of health care workers: policies and practices of hospitals in a community setting;Gazmararian;Am J Infect Control,2007
3. Prevention of nosocomial influenza;Adal;Infect Control Hosp Epidemiol,1996
4. La gripe. Madrid: Ministerio de Sanidad, Política Social e Igualdad, Gobierno de España [acceso 26 Mar 2011]. Disponible en: http://www.msps.es/ciudadanos/enfLesiones/enfTransmisibles/gripe/gripe.htm.
5. Centers for Disease Control and Prevention. Prevention and control of seasonal influenza with vaccines: recommendations of the Advisory Committee on Immunization Practices (ACIP), 2009;Fiore;MMWR Recomm Rep,2009