WHO

Widespread administration of oral polio vaccines (OPVs) has resulted in reduced incidence of polio and the eradication of wild poliovirus type 2 and type 31,2.

We have seen a lot of movement in regulatory approval of Covid-19 vaccines over the past two weeks, as vaccination campaigns begin to roll out. When tracking the Covid-19 vaccine landscape, it is important to keep in mind the difference between emergency use authorization and full authorization. Most Covid-19 vaccine approvals received thus far have been limited to emergency use.