Table 1. Samples Collected for Analysis.
| Recipient ID | Sample Date | Estimated Days from Infection | MRCA (Days) | Envelope Subtype |
| Linked to Enrolled Partner | ||||
| ZM229M | 19-Oct-02 | <94 | 1409 | C |
| ZM238M* | 29-Oct-02 | 40 | 5 | C |
| ZM242F* | 25-Jan-03 | 31 | 30 | C |
| ZM201M* | 7-Feb-03 | 31 | 35 | C |
| ZM221M* | 7-Mar-03 | 31 | 23 | C |
| ZM205F* | 27-Mar-03 | 48 | 19 | C |
| ZM248F* | 5-Jun-03 | 79 | 108 | Unknown |
| ZM190F* | 6-Dec-03 | 31 | 15–30+ | C |
| ZM216M* | 17-Jan-04 | 31 | 66 | C |
| ZM198F* | 4-Mar-04 | 78 | 126 | C |
| ZM243F* | 9-Mar-04 | 26 | 24 | C |
| RW41M | 21-Jan-05 | <94 | 26–52+ | A1 |
| RW19F | 2-Feb-05 | <96 | 26–35+ | A1 |
| RW35M | 28-Feb-05 | <96 | 47–59+ | A1 |
| RW36M | 7-Mar-05 | <86 | 21 | A1 |
| RW56F# | 21-Apr-05 | 17 | 18 | A1 |
| ZM292M* | 24-May-05 | 28 | 44 | A1 |
| RW53F* | 29-Jun-05 | 35 | 35 | A1 |
| RW57F | 12-Oct-05 | <94 | 166 | A1 |
| RW67M* | 23-Mar-06 | 37 | 41 | A1 |
| Unlinked to Enrolled Partner | ||||
| ZM215F | 3-Oct-02 | <92 | 2625 | C |
| ZM197M# | 29-Oct-02 | 17 | 17 | C |
| ZM224F | 5-Nov-02 | <134 | 568 | C |
| ZM233M | 17-Dec-02 | <110 | 36 | C |
| ZM184F | 10-Jul-03 | <92 | 31 | C |
| ZM249M* | 12-Aug-03 | 29 | 21 | C |
| ZM247F* | 1-Nov-03 | 26 | 536 | C |
*: Individuals identified as p24-positive.
#
Individuals identified as viral RNA-positive.
+: Range of values indicate a higher than predicted rate of G to A mutations consistent with APOBEC3G/F signatures.