The most common route of infection was heterosexual (73.91%, 2167/2932), the proportion of PWID (persons who inject drugs) showed a declining pattern each year from 2012 to 2017(from 19.23% to 4.66 and MSM increased year by year, (from 2.31 to 14.93%).The median virus load of participants was 18,882 copies/ml (IQR 5215–63,000), and the median CD4 was 189 cells/ml (IQR:81–277). Here, CD4 is linked to infection.