[Characteristics of biological properties of strains of influenza virus B isolated in Leningrad during the recent years].
D006801:Humans; D009981:Influenza B virus; D029524:Betainfluenzavirus; D009975:Orthomyxoviridae
INFLUENZA VIRUSES
Kharakteristika biologicheskikh svoistv shtammov virusa grippa B vydelennykh za poslednie gody v Leningrade.