Table 1.
Assumptions for planned, preventive SIAs (pSIAs) through OPV2 cessation in OPV-using blocks that interrupted indigenous wild poliovirus transmission (adapted from Thompson and Duintjer Tebbens (2015) [26])
| Time period | RI coverage (POL3) | SIA schedule showing: vaccine (day(s) of year) |
|---|---|---|
| Before tOPV intensification on January 1, 2015 | 0.05 or 0.1 | tOPV (0, 40); bOPV (80, 140, 240, 300) |
| 0.3 | tOPV (0, 40); bOPV (80, 140, 240) | |
| 0.6 (R0 ≤ 10) | tOPV (0); bOPV (60, 120) | |
| 0.6 (R0 > 10) | tOPV (0, 40); bOPV (80, 140, 240) | |
| 0.9 | tOPV (0) | |
| 0.98 (R0 ≤ 10) | No SIAs | |
| 0.98 (R0 > 10) | tOPV (0) | |
| During tOPV intensification (January 1, 2015 to April 1, 2016) | 0.05 or 0.1 | tOPV (0, 40, 80, 300); bOPV (140, 240) |
| 0.3 | tOPV (0, 40, 80); bOPV (140, 240) | |
| 0.6 (R0 ≤ 10) | tOPV (0, 60); bOPV (120) | |
| 0.6 (R0 > 10) | tOPV (0, 40, 80); bOPV (140, 240) | |
| 0.9 | tOPV (0) | |
| 0.98 (R0 ≤ 10) | No SIAs | |
| 0.98 (R0 > 10) | tOPV (0) | |
| After tOPV intensification (April 1, 2016 to April 1, 2017 or later) | 0.05 or 0.1 | bOPV (0, 40, 80, 140, 240, 300) |
| 0.3 | bOPV (0, 40, 80, 140, 240) | |
| 0.6 (R0 ≤ 10) | bOPV (0, 60, 120) | |
| 0.6 (R0 > 10) | bOPV (0, 40, 80, 140, 240) | |
| 0.9 | bOPV (0) | |
| 0.98 (R0 ≤ 10) | No SIAs | |
| 0.98 (R0 > 10) | bOPV (0) |