问题
多项选择题
对于病原体检测的血清学实验，错误的有（）。
A.一般要在病程早期和晚期分别采血标本2～3份检查
B.IgM的检出表明原发性感染
C.感染后即可检出抗体
D.适于疾病的早期诊断
E.单份血清诊断意义不大
答案
参考答案：A, C
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对于病原体检测的血清学实验，错误的有（）。
A.一般要在病程早期和晚期分别采血标本2～3份检查
B.IgM的检出表明原发性感染
C.感染后即可检出抗体
D.适于疾病的早期诊断
E.单份血清诊断意义不大
参考答案：A, C
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