| LS | Title | From | To | Approval date |
| SG3-LS101 | LS/r on WTSA-20 preparations (reply to TSAG-LS42) | SG3 | TSAG; | 2021-12-17 |
| SG17-LS307 | LS/r on WTSA-20 preparation (reply to TSAG-LS42) | SG17 | TSAG; | 2021-09-03 |
| SG2-LS189 | LS/r on WTSA-20 preparations (reply to TSAG-LS42) | SG2 | TSAG; | 2021-06-11 |
| SG3-LS93 | LS/r on WTSA-20 preparations (reply to TSAG-LS42) | SG3 | SG2; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; TSAG; SG20; | 2021-05-28 |
| SG20-LS206 | LS/r on WTSA-20 preparation (reply to TSAG-LS42) | SG20 | TSAG; | 2021-05-27 |
| SG5-LS211 | LS/r on WTSA-20 preparation (reply to TSAG-LS42) | SG5 | TSAG; | 2021-05-20 |
| SG9-LS127 | LS/r on WTSA-20 preparations (reply to TSAG-LS42) | SG9 | SG2; SG3; SG5; SG11; SG12; SG13; SG15; SG16; SG17; TSAG; SG20; | 2021-04-28 |
| TSAG-LS42 | LS on WTSA-20 preparations | TSAG | SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2021-02-15 |