method of preparing influenza virus seed stock, method of preparing influenza vaccine using the same stock of active agent (seed stock) and stock of active agent stock (seed stock) of the virus prepared by the same

摘要

the present invention relates to a method of preparing an influenza virus seed stock, a method of increasing the infectivity of an influenza virus seed stock, a method of preparing an influenza virus influenza vaccine with the use of the stock of active agent (seed stock), an influenza vaccine prepared by the method and a stock of active agent (seed stock) of the influenza virus that has increased infectivity.