The sera of 308 residents were tested for antibodies against Borrelia burgdorferi by IFA.

通过 IFA 测试了308名居民的血清中抗伯氏疏螺旋体的抗体。

This paper studied sensitivity, specificity and practical value and significance of ELISA in the detection of antibodies against Fasciolopsis buski in human sera.

研究了姜片吸虫成虫冷浸抗原检测姜片吸虫病患者血清抗体的敏感性和特异性及其在流行病和临床上的应用价值。

Sera: : Well, you need to... your arse!

塞拉：嗯，你需要…你的屁股！ ！

Among 482 sera samples, 5 samples were positive.

在482份血清样品中，有5份为阳性。

Leptospirosis antibody in sera of Lyme disease cases was found.

莱姆病患者血清则未出现钩端螺旋体抗体。