中和抗体效价稍有下降，但未发现中和抗体消失者。
Neutralizing antibody had a small drop. Did not disappear in patients.
在8月，配对血清样本的后续检测发现H5N1中和抗体效价增加4倍，这是符合世卫组织实验室确诊标准的检测结果。
In August, follow-up testing of paired-serum samples found a fourfold rise in neutralization antibody titer for H5N1, a test result which meets the WHO criteria for laboratory confirmation.
其超微结构具有副粘病毒的基本特点，中和抗体效价和交叉中和抗体效价都高达10 2 4。结论成功分离犬副流感病毒CPIV- XN931。
The titer of neutralized antibody and cross neutralized antibody all fell to 1024. CONCLUSION The isolated is a strain of CPIV XN931.
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