The presence of Coxsackie virus B (CVB) specific IgM antibodies was detected by usingof immunoblot assay in 112 cases of acute viral myocarditis.

• 为探讨柯萨奇病毒B特异性IgM（CVB－IgM）的病原学意义，应用免疫印迹试验测定112例病毒性心肌炎患儿的CVB－IgM，结果是阳性33例，总阳性率为29.；5%25；