CVB3疫苗虽然可以抑制小鼠的CVB3心肌炎，但制备时需要大量的病毒抗原，成本过高，难以推广及大量使用。

Though CVB3 vaccine can inhibit CVB3B3myocarditis, but it needs mass viral antigen while preparing, so the cost is too high to popularize and use in a large amount.

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所制备的抗原稳定、重复性好。

The prepared antigens were stable and repeatable.

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应用分离到病毒制备抗原及标准血清，建立了HA和HI等检测方法。

Using the antigen and standard serum prepared by the isolated virus, HA and HI tests were established.

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