发现两者在蛋白质组成，分子量，等电点及氨基酸组成上颇为相近。但免疫扩散试验证实两者无免疫交叉反应。

Some similarities in polypeptide components, molecular weight, isoelectric point and amino acid composition were found, but no immunocross reaction between them was observed.

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将琼脂免疫扩散试验检测为阴性的71份马血清样品进行PCR检测，其中检出3份血清为阳性，并确诊为EHV - 1型。

There was negative by AGID and 3 serum samples were EHV-1 positive by PCR among 71 serum samples.

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将琼脂免疫扩散试验检测为阴性的71份马血清样品进行PCR检测，其中检出3份血清为阳性，并确诊为EHV - 1型。

There was negative by AGID and 3 serum samples were EHV-1 positive by PCR among 71 serum samples.

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