Abstract: Giardia lamblia is an important intestinal protozoan which can cause diarrhea in humans. The detection of Giardia infection is performed through the detection methods of pathogen， immunoassay and molecular biology. Currently， the immunodiagnostic methods have good application and development prospect because of high sensitivity and specificity， simple and convenient， and time saving. In this article， we review the main progress and application of immunodiagnostic methods for Giardia infection.

Key words: Giardiasis； Immunodiagnosis； Counterimmunoelectrophoresis； Western blotting； Immunofluorescence technique； Enzyme?linked immunosorbent assay； Immunochromatographic test

摘要： 蓝氏贾第鞭毛虫（简称贾第虫）是一种重要的肠道致病原虫，人体感染后可引起腹泻等症状。目前，贾第虫感染诊断主要有病原学、免疫学及分子生物学等方法；其中免疫学诊断技术因快速、简便、敏感性高、特异性强等优点，具有良好的应用前景。本文主要就常用贾第虫感染免疫学诊断技术及其应用情况作一综述。

关键词: 蓝氏贾第鞭毛虫病；免疫诊断；对流免疫电泳；免疫印迹法；免疫荧光技术；酶联免疫吸附试验；免疫层析法