Schicke test o Be used to ascertain population risk This test involves the injection of a minute amount of the diphtheria toxin under the skin. The absence of a reaction indicates immunity 试验侧 对照侧 本质 阴性反应 有免疫力 阳性反应24~48h 无免疫力 4~7d达峰 假阳性反应618h红肿 同前 有免疫力,超敏反 1~2d消退 混合反应6~18h红肿 6~18h红肿无免疫力,超敏反应 4~7d达峰 3~4d反应消退Schick test ⚫ Be used to ascertain population risk This test involves the injection of a minute amount of the diphtheria toxin under the skin. The absence of a reaction indicates immunity