| AIR | Australian Immunisation Register |
| ARIA | Accessibility/Remoteness Index of Australia |
| HNELHD | Hunter New England Local Health District |
| LGA | Local government area |
| MCV | Measles-containing vaccine |
| MCV1 | Measles-containing vaccine dose one |
| MCV2 | Measles-containing vaccine dose two |
| MMR | Measles, mumps, and rubella vaccine |
| MMRV | Measles, mumps, rubella and varicella vaccine |
| SEIFA | Socio-Economic Index For Australia |
| WHO | World Health Organization |