H5N1 INFLUENZA VACCINE AND KIT FOR PROTECTION AGAINST INFECTION

摘要

PROBLEM TO BE SOLVED: To provide an H5N1 influenza vaccine that can satisfactorily prevent infection with an H5N1 influenza virus of a strain other than a strain to be vaccinated.SOLUTION: The H5N1 influenza vaccine is used in such a manner that the initial vaccination comprising two times of administration is performed on a human body and an additional vaccination of a vaccine of the same strain as that of the initial vaccination is performed at least one time after a prescribed period has passed. Both of H5N1 influenza vaccines for the initial vaccination and for the additional vaccination are derived from the Qinghai strain. The prescribed period after the initial vaccination is one month or longer and three years or shorter, specifically six months.