At a glance
The tables below provide the information about last year that trivalent oral poliovirus vaccine (tOPV) was used in each respective country. The purpose of the table is to provide you with information that will help you determine whether oral poliovirus (OPV) was circulating at a time and geographic location which your specimens/samples were collected.
WHO Polio Endgame Plan
In accordance with the WHO Polio Endgame Plan, the last routine doses of trivalent oral poliovirus vaccine (tOPV) were given in April 2016. If samples were collected during a time when vaccine derived poliovirus (cVDPV) was circulating or at or last date that tOPV was administered, the material is considered potentially infectious.