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[Serological investigation of Toxoplasma gondii infection in HIV positive cases in Dali and Dehong of Yunnan].

[Article in Chinese]

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Department of Parasitology, College of Basic Medicine, Dali University, Dali 671000, China.


Serum samples were collected from HIV positive cases (927) and HIV, negative ones (80) from June 2010 to August 2011 in Dali and Dehong Prefectures of Yunnan. Serum anti-Toxoplasma gondii IgG was detected by ELISA. The overall anti-Toxoplasma gondii IgG positive rate among HIV positive cases and HIV negative ones was 35.1% (325/927) and 23.8% (19/80), respectively. In HIV positive cases, the seropositive rate was 30.3% (178/588) in Dali and 43.4% (147/339) in Dehong. The seropositive rate was significantly different among ethnic groups (chi2 = 28.433, P < 0.05). No significant difference was found among age groups (chi2 = 4.248, P > 0.05), and the age group of 41-60 showed the highest positive rate (36.1%, 103/285). The seropositive rate was 35.6% (203/571) in males and 34.3% (122/356) in females (chi2 = 0.158, P > 0.05).

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