Concerns the December 2021 High Court ruling that data to do with vaccination be given over by the Ministry of Health to the Whānau Ora Commissioning Agency. Considers concepts of state and ethnicity along with an overview of government and Iwi organisations in Aotearoa New Zealand. Observes the ruling as something of a change or a breakthrough to new forms of data control. Discusses the nature and use of data in general terms as well as in the specific context of the Covid-19 pandemic in Aotearoa New Zealand. Source: National Library of New Zealand Te Puna Matauranga o Aotearoa, licensed by the Department of Internal Affairs for re-use under the Creative Commons Attribution 3.0 New Zealand Licence.