ANTI-INFLUENZA VACCINE AND PROCESS FOR ITS PREPARATION

摘要

The invention relates to a novel influenza virus strain and to the influenza virus vaccine containing said strain. The new strain, which is the CNCM I-062 strain, is prepared by recombination of the influenza A/PR/8/34 virus strain with the influenza A/Alaska/5/77 virus strain. The vaccine is prepared by allowing the CNCM I-062 strain to grow in the allantoic cavity of fertile hen's eggs, harvesting and freeze-drying the yielded virus material. The strain and the vaccine deriving therefrom are valuable for the immunization against influenza caused by influenza type A (H3N2) virus strains.