Epidemiological characteristics of genital chlamydia trachomatis infection in women aged 20−49 years in Zhejiang, 2017−2021

  Objective  To analyze the epidemiological characteristics of genital chlamydia trachomatis infection in women aged 20−49 years in Zhejiang province and provide scientific evidence for the precise prevention of genital chlamydia trachomatis infection.

  Methods  The incidence data o of genital chlamydia trachomatis infection in women aged 20−49 in Zhejiang from 2017 to 2021 were collected from the China Information System for Disease Control and Prevention for a descriptive analysis.

  Results  A total of 85 747 cases of genital chlamydia trachomatis infection in women aged 20−49 years were reported in Zhejiang. The average annual incidence rate was 122.50/100 000, and the incidence rate was highest in 2019 (134.71/100 000). The cases aged 25–34 years accounted for the highest proportion (74.34%). The cases were mainly the jobless or unemployed, farmers, people engaged in business services and workers, amounting for 83.10%. The cases were reported in all the 11 prefectures (municipality) in Zhejiang. The case number was highest in Hangzhou, amounting for 39.33%.

  Conclusion  The prevalence of genital chlamydia trachomatis infection in women aged 20–49 years was serious in Zhejiang. It is necessary to take effective measures to control the infection, establish a joint mechanism of disease control and women's health care, strengthen health promotion, active screening and case management in order to protect the reproductive health of women of childbearing age and promote healthy birth.