"Adults are considered protected if they have had doctor diagnosed measles or 2 doses of a measles vaccine given after 12 months of age. Measles immunisation has been given at different ages since it was introduced in NZ in 1969." [source Regional Public Health]. "Measles is a highly contagious disease that can be life threatening. Find out what the symptoms are and how immunisation can protect you and your family. You can also call the Immunisation Advisory Centre toll-free on 0800 IMMUNE (0800 466 863) for advice." [source Ministry of Health].
For further information on measles and measles immunisation, visit the Ministry of Health website