Vaccination rates are dropping across the country as fewer families immunise their babies.

Now, in the midst of a measles epidemic, a Herald analysis of immunisation data finds just 77 per cent of 6-month-olds are now getting their vaccines on time.

While the debate has been centred around the impact of the anti-vaxx movement, the numbers paint a different picture.

Kirsty Johnston and Chris Knox report.


Plummeting vaccination rates are being driven largely by the failure to immunise babies born into poor or Māori families - not by parents deliberately opting out.

A Herald analysis of immunisation data from every


DHB Vaccination Rates