Genetic Basis of Attenuation of Cold-Adapted Influenza Strain B/Leningrad/14/17/55 — Backup Master Donor Virus for Influenza Type B Live Attenuated Vaccines
Elena V. Krutikova, Ekaterina Stepanova, Pei-Fong Wong, Irina Kiseleva, Е П Григорьева, Larisa G. Rudenko
Abstract