| Terms | Glossary |
| Certificate of Containment (CC) | WHO certificate for full conformity with GAPIII requirements. |
| Certificate of Participation (CP) | Initial WHO certificate for facilities eligible for full conformity with GAPIII requirements. Alternatively for period of cessation of handling or storage. |
| Containment Certification Scheme (CCS) | WHO’s guidelines for the certification process in relation to GAPIII. |
| Global Action Plan III (GAPIII) | WHO´s plan for minimizing facility-associated breach of poliovirus. |
| Global Commission for the Certification of the Eradication of Poliomyelitis (GCC) | Commission organised by WHO to define parameters and processes to certify eradication of poliovirus. |
| Global Polio Eradication Initiative (GPEI) | Public-private partnership led by national governments with five partners – WHO, Rotary International, US CDC and UNICEF. |
| Containment | In this context: A system for confining poliovirus within a defined space. |
| Interim Certificate of Containment (ICC) | WHO certificate for general conformity with GAPIII requirements. |
| National Authority for Containment (NAC) | National authority responsible for control of containment of poliovirus and PIM. |
| Oral polio vaccine (OPV) | Vaccine with attenuated Sabin poliovirus strain. |
| Poliovirus-essential facility (PEF) | Facilities that handle or store infectious poliovirus. |
| Potentially Infectious Materials (PIM) | Materials potentially containing infectious poliovirus. |
| Regional Commission for the Certification of the Eradication of Poliomyelitis (RCC) | Regional WHO certification commission verifying polio eradication. Comprised of public health and scientific experts. |
| Vaccine-derived poliovirus (VDPV) | Poliovirus that has been given as oral poliovaccine that has subsequently been transmitted between persons. |
| Wild poliovirus (WPV) | Original poliovirus strain. |
| World Health Assembly (WHA) | Decision-making body of WHO. Attended by WHO member states. |