PROCESS FOR THE PREPARATION OF INFLUENZA VACCINES AND THE ACTIVE PRINCIPLE THEREOF

摘要

1443958 Influenza virus mutants AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE 20 July 1973 [21 July 1972] 34617/73 Heading C6F [Also in Division A5] A process is described by which strains of mutated influenza virus which, it is considered, may occur naturally at some future time, are produced and isolated in the laboratory in advance of their natural occurrence. The product virus may be used to produce a hybrid with another, faster-growing strain.