1. WHO, 2014. http://www.who.int/mediacentre/factsheets/ fs211/en/. Accessed September 20, 2016.
2. Aleksandrova, G.I. and Klimov, A.I., Zhivaya vaktsina protiv grippa (Live Influenza Vaccine), St. Petersburg: Nauka, 1994.
3. Aleksandrova, G.I., Application of genetic recombination method for influenza vaccine strains developing, Vopr. Virusol., 1977, no. 4, pp. 387–395.
4. Kiseleva, I.V., Larionova, N.V., Teley, L., and Rudenko, L.G., Method for restriction analyzing genome of live influenza vaccine strains, Vopr. Virusol., 2011, no. 4, pp. 28–32.
5. Kiseleva, I.V., Voeten, J.T.M., Teley, L.C., et al., Genome composition analysis of the reassortant influenza viruses used in seasonal and pandemic live attenuated influenza vaccine, Mol. Genet., Microbiol. Virol., 2011, vol. 26, no. 4, pp. 174–185.