The World Health Organization (WHO) has issued an Emergency Use Listing recommendation for the type 2 novel oral polio vaccine (nOPV2). This will allow rollout of the vaccine for limited initial use in countries affected by circulating vaccine-derived poliovirus type 2 (cVDPV2) outbreaks. 
This two-minute video explains more:             
Another important step for Rotary and our partners in eradicating polio.