Intradermally administered influenza vaccine composition

摘要

To provide a highly safe intradermally administered influenza vaccine preparation that enables early and high HI antibody titer increase by reliably delivering an influenza vaccine antigen to the upper layer of human skin in the prevention of influenza infection. Influenza vaccine preparation using an intradermal administration device designed to reliably administer the vaccine preparation to the upper skin layer of the needle tip of a needle tube, and a method for preventing influenza using the preparation.