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为探明乙肝患者并发弓形体感染的状况，本文采用DIFA等四项免疫学方法联合检测87例乙肝患者及100例健康者的弓形虫抗体，并予以比较、分析。对乙肝患者，二项以上试验均为阳性者31例，占35．63％，明显高于健康者9％的阳性事。对乙肝患者DIFA和IFT的弓形虫特异抗体检出率分别为32．18％（38／87）、34．48（30／87）亦明显高于IHA的检出申（14．94％）。TOX-IgM-ISAGA检测弓形虫IgM的结果表明与抗-HBcIgM无相关性；乙肝人群的HBsAg、HBeAg、抗HBe、抗HbC分别与弓形虫抗体亦均无相关性。
In order to find out the status of toxoplasma infection in patients with hepatitis B, Toxoplasma gondii antibodies of 87 patients with hepatitis B and 100 healthy persons were tested by four immunological methods such as DIFA, and compared and analyzed. Of hepatitis B patients, more than two tests were positive in 31 cases, accounting for 35.63%, significantly higher than 9% of healthy subjects. The detection rates of Toxoplasma gondii specific antibodies against DIFA and IFT in patients with hepatitis B were 32.18% (38/87) and 34.48 (30/87) respectively, which were also significantly higher than those of IHA (14.94%). The results of TOX-IgM-ISAGA detection of Toxoplasma gondii IgM showed no correlation with anti-HBcIgM; HBsAg, HBeAg, anti-HBe and anti-HbC in hepatitis B were also not associated with Toxoplasma gondii antibody respectively.