Global status of licensure and pre-qualification processes for monovalent OPV type 1, 2 and 3 and bivalent OPV

Monovalent OPV type 1 (mOPV1)

Monovalent OPV type 3 (mOPV3)

Bivalent OPV containing type 1 and 3 (bOPV1&3)

* SAS: special access scheme for specific use
** The letter sent to UNICEF recommends the procurement of the product
*** Completion of the prequalification process depends on satisfactory outcome of ongoing clinical trials