- Adults (18-64 years)
- Elderly (≥65 years)
- People at high risk of STIs
- PrEP users
- Hospital
- Community
- Primary care
- Chlamydia trachomatis
- Neisseria gonorrhoeae
- Treponema pallidum
- Sexually transmitted infection
- Syphilis
- Pharmacological intervention
- PrEP-bSTI