CASP	Critical Appraisal Skills Programme
CHIS	Child Health Information Systems
COVER	Cover of Vaccination Evaluated Rapidly
DHSC	Department of Health and Social Care
GP	General Practice
HBM	Health Belief Model
HPA	Health Protection Agency
IBIM	Immunisation Beliefs and Intentions Measure
ICS	Integrated Care System
IMD	Index of Multiple Deprivation
LA	Local Authority
LAC	Looked-After Children
MMR	Measles Mumps Rubella
MMR1	1st dose of Measles Mumps Rubella vaccine
MMR2	2nd dose of Measles Mumps Rubella vaccine
MMRV	Measles Mumps Rubella Varicella
NHS	National Health Service
NHSE	National Health Service England
ONS	Office for National Statistics
PHE	Public Health England
R0	Reproductive number
SDH	Social Determinants of Health
UK	United Kingdom
UK HAS	United Kingdom Health Security Agency
WHO	World Health Organization