Description of study participants by site
| Country | HDSS | HCW | Persons living with HIV | ||
| Never on ART | On ART | LTFU* | |||
| Uganda | Rakai | 6 | 15 | 15 | 6 |
| Uganda | Kyamulibwa | 5 | 8 | 16 | 4 |
| Kenya | Kisumu | 8 | 10 | 15 | 6 |
| Tanzania | Kisesa | 7 | 13 | 14 | 4 |
| Malawi | Karonga | 5 | 9 | 27 | 4 |
| Zimbabwe | Manicaland | 4 | 16 | 35 | 8 |
| South Africa | uMkhanyakude | 19 | 16 | 17 | 6 |
| Total | 54 | 87 | 139 | 38 | |
*Loss to follow-up from an HIV clinic for >90 days.
ART, antiretroviral therapy; HCW, healthcare worker; HDSS, health and demographic surveillance sites; LTFU, loss to follow-up.