6、alenzymesinthesupernatantoftheinfectedmyocardialcellswashigherthanthatofthecontrolgroup.ConclusionCVBcanpersistentlyinfectcardiomyocytes.ThepathogenesisofCVBonmyocardialcellsdiffersfromthatinHeLacell. Keywords:cardiomyocytes;CoxsackievirusB;sucking16Balb/cmouse;primarycellculture B