Study sites
| Tbilisi | Batumi | |
| MSM peer delivery site and community testing site | Tbilisi Tanadgoma Centre | Batumi Tanadgoma Centre |
| MSM courier delivery site and community testing site | Tbilisi Equality Movement Centre | Batumi Identoba Centre |
| PWID peer delivery site and community testing site | ‘Tbilisi New Way’ Harm Reduction Site | ‘Batumi Imedi’ Harm Reduction Site |
| Hepatitis testing and treatment site | Infectious Diseases, AIDS and Clinical Immunology Research Center | Batumi Infectious Diseases Hospital |
| Hepatitis testing and treatment site | ‘Neo-Lab’ Clinic | Batumi Imedi Harm Reduction Site |
| Hepatitis testing and treatment site | ‘Hepa’ Clinic |
MSM, men who have sex with men; PWID, people who inject drugs.