1. Runstadler J, Hill N, Hussein I, Puryear W, Keogh M. Connecting the study of wild influenza with the potential for pandemic disease. Infection, Genetics and Evolution. 2013;17:162-187. DOI: 10.1016/j.meegid.2013.02.020
2. WHO Technical Report. Avian Influenza Portfolio. Collected Risk Assessments, Technical Guidance to Public Health Authorities and Advice to the Generalpublic. Stockholm, June 2006. Available from: https://ecdc.europa.eu/sites/portal/files/media/en/publications/Publications/0606_TER_Avian_Influenza_Portafolio.pdf [Accessed: Jan 20, 2015]
3. Rudenko L, Slepushkin A, Monto A, Kendal A, Grigorieva E, Burtseva E, et al. Efficacy of live attenuated and inactivated influenza vaccines in schoolchildren and their unvaccinated contacts in Novgorod, Russia. Journal of Infectious Diseases. 1993;168(4):881-887. DOI: 10.1093/infdis/168.4.881
4. Rudenko L, Lonskaya N, Klimov A, Vasilieva R, Ramirez A. Clinical and epidemiological evaluation of a live, cold-adapted influenza vaccine for 3-14-year-olds. Bulletin of the World Health Organization. 1996;74(1):77-84. PMC: 2486837
5. Rudenko L, Arden N, Grigorieva E, Naychin A, Rekstin A, Klimov A, et al. Immunogenicity and efficacy of Russian live attenuated and US inactivated influenza vaccines used alone and in combination in nursing home residents. Vaccine. 2000;19(2-3):308-318. DOI: 10.1016/S0264-410X(00)00153-5