Impact of Gender, Location, and Seasonality on the Prevalence of Gonorrhea and Chlamydia Co-infections in Northern Vietnam

A retrospective cross-sectional description was conducted to investigate co-infection rates of Neisseria gonorrhoeae (Gonorrhea) and Chlamydia trachomatis (Chlamydia) in patients from Northern Vietnam who visited the Central Dermatology Hospital during 2016–2019 and the factors including gender, age, location, and season that may relate to the co-infection rates. Data of hospital routine diagnostics using rapid tests for chlamydia and Gram staining for gonorrhea for patients with vaginal or urethral discharge syndrome were analysed. Real-time PCR was used to confirm the positive samples. During the 4 year study period, 5937 (0.74