The present invention is a novel stable compressed vaccine composition comprising at least one anhydrous antigen component, comprising an effervescent stabilizer when the composition is mixed with a liquid diluent, and an effective amount of a sugar alcohol Related to things. [Selection] Figure 1本発明は、少なくとも1種の無水抗原成分を含む新規の安定圧縮ワクチン組成物であって、組成物を液体希釈剤と混合するときに発泡性の安定剤、及び有効量の糖アルコールを含む組成物に関する。【選択図】図1