[Epidemic analysis of HIV-1 incidence using BED-CEIA assay in Tianjin, China, 2010].

OBJECTIVE

To explore the epidemic characteristics of HIV-1 recent infection among high-risk populations in Tianjin and to provide reasonable evidence for intervention strategy.

METHOD: Blood samples were detected using BED-CEIA to identify recent HIV-1 infection, and HIV/AIDS cases in Tianjin 2010 were collected to analyze epidemic data.

RESULTS

349 of reported HIV/AIDS cases were confirmed from total 777 207 people. ALL of 87 HIV-1 recent infections were males and mainly detected from men who have sex with men (MSM), voluntary counseling and testing (VCT) and STD outpatients, the HIV-1 incidence of each group was 1.48%, 0.38%, 0.17% respectively. There were not significant difference in recent HIV-1 infection rate between other areas and locals. The homosexual transmission was 80.46% among recent HIV-1 infections.

CONCLUSION

The results of this study showed that the homosexual contact was primary route of HIV transmission in Tianjin. The infection of HIV was serious among MSM, effective interventions should be taken for HIV/AIDS control and prevention urgently.