A landmark 14-year longitudinal study tracking 47,892 HIV-positive individuals has identified syphilis as the predominant sexually transmitted co-infection, affecting 45.2% of participants. This finding, published in The Lancet Regional Health – Western Pacific, provides critical epidemiological data for understanding HIV-STI co-epidemics in the region.
Human papillomavirus emerged as the second most prevalent co-infection at 38.1%, followed by gonorrhea at 22.3% and chlamydia at 18.7%. These prevalence rates align with global health patterns observed in similar populations, though the scale and duration of this Chinese study offer unprecedented insights into long-term infection trends.
The persistent high syphilis co-infection rate has prompted researchers to emphasize the urgent need for integrated prevention strategies within HIV care programs. Systematic STI screening at care entry and during routine follow-up visits proved significantly more effective than symptom-based detection, identifying substantially more infections and enabling earlier intervention.
Read the full article on GMJ Newsroom.
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