[Antigenic relationships of strains of the epidemic virus H1N1 isolated in November-December 1977 in the USSR to inluenza viruses of human and animal origin]. / Antigennye sviazi shtammov épidemicheskogo virusa H1N1, vydelennykh v noiabre--dekabre 1977 g. v SSSR s virusami grippa chelovecheskogo i zhivotnogo proiskhozhdeniia.

The results of the study on the antigentic properties of influenza viruses causing an epidemic outbreak in November, 1977, in the USSR established their relationship with human influenza viruses H1N1 to the homologous titer, with H0N1 to 1/16 titer and the virus isolated from whales in the Pacific ocean (H0-H1Nav2) to 1/8 titer. The epidemic strains have been shown to possess neuraminidase of human influenza virus type 1.