Antigen | Year | ||||
---|---|---|---|---|---|
2015 | 2016 | 2017 | 2018 | 2019a | |
Target | 2921 | 2919 | 2988 | 3057 | 3127 |
OPV1 | 4517 | 4485 | 4451 | 4507 | 3958 |
OPV3 | 3735 | 3782 | 4124 | 4247 | 3933 |
IPV | ** | ** | ** | 2093 | 3894 |
OPV 1 (%) | 154 | 153.6 | 149 | 147.4 | 126.6 |
OPV 3 (%) | 128 | 119.5 | 138 | 138.9 | 125.6 |
OPV1/3DOR (%) | 17.2 | 15.7 | 7.3 | 5.7 | 0.6 |
IPV (%) | IPV introduced in June 2018 | 68.5 | 124.6 |