AEFI Adverse event following immunization
AFP Acute flaccid paralysis
aVDPV Ambiguous vaccine-derived poliovirus
BMGF Bill & Melinda Gates Foundation
bOPV Bivalent oral polio vaccine
C4D Communication for development
CDC US Centers for Disease Control and Prevention
cVDPV (and cVDPV1, cVDPV2, cVDPV3) Circulating vaccine-derived poliovirus, or variant poliovirus (type 1, type 2, type 3)
DTP3 Diphtheria–tetanus–pertussis vaccine third dose
EI Essential immunization
EMG Eradication Management Group
EPI Expanded Programme on Immunization
ES Environmental surveillance
EUL (WHO) Emergency Use Listing
FATA Federally Administered Tribal Areas (Pakistan)
fIPV Fractional-dose inactivated polio vaccine
FOMWAN Federation of Muslim Women’s Associations in Nigeria
FRR Financial Resource Requirements
FWG Finance Working Group
GAPIII Third edition of the Global Action Plan to minimize post-eradication poliovirus facility-associated risk
GCC Global Commission for Certification of the Eradication of Poliomyelitis
GIS Geographic information system
GPEI Global Polio Eradication Initiative
GPS Global positioning systems device
GPLN Global Polio Laboratory Network
GVAP Global Vaccine Action Plan
ICC Interagency Coordinating Committee
IFFIm Innovative Financing Facility for Immunization
IMB Independent Monitoring Board
IMG Immunization Systems Management Group
IPV Inactivated polio vaccine
IVD Immunization and Vaccine Development
iVDPV Immunodeficiency-associated vaccine-derived poliovirus
LGA Local Government Area
LQAS Lot Quality Assurance Sampling
mOPV Monovalent oral polio vaccine
NCC National Certification Committee
NEAP National Emergency Action Plan
NGO Non-governmental organization
NID National Immunization Day
nOPV (nOPV1, nOPV2, nOPV3) Novel oral polio vaccine (type 1, type 2, type 3)
NSTOP Nigeria Stop Transmission of Polio programme
OPV Oral polio vaccine
PAG Political Advocacy Group
PHEIC Public Health Emergency of International Concern
POB Polio Oversight Board
PPG Polio Partners Group
PQ (WHO) pre-qualification
PRC Polio Research Committee
PSC Polio Steering Committee
RCC Regional Certification Commission
RED Reaching Every District
SAGE Strategic Advisory Group of Experts on Immunization
SIA Supplementary immunization activity
SIAD Short Interval Additional Dose
SNID Subnational Immunization Day
STOP Stop Transmission of Polio programme
TAG Technical Advisory Group
tOPV Trivalent oral polio vaccine
UNICEF United Nations Children’s Fund
VAPP Vaccine-associated paralytic poliomyelitis
VDPV Vaccine-derived poliovirus
VfM Value for money
VPD Vaccine-preventable disease
WHA World Health Assembly
WHO World Health Organization
WPV (WPV1, WPV2, WPV3) Wild poliovirus (type 1, type 2, type 3)