免めん疫えき血けっ清せいMeaningsNoun1. immune serumKanji used免be exempt疫epidemic血blood清cleanPitch accentめんえきけっせいComposed of免めん疫えきimmunity; immunization; immunisation; being hardened (to); being unaffected (by); being accustomed (to)Noun血けっ清せいserum; blood serumNoun