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COVID-19 vaccination booking system error

Sunday 28 March 2021Canterbury DHB News2 minutes to read

THIS IS AN ARCHIVED PAGE. The advice and information contained in this page may not be current and it should only be used for historical reference purposes.

Canterbury DHB is contacting individuals affected by a coding error in the software used in a local Canterbury appointment system used to book family members of border and MIQ workers for their COVID-19 vaccination.

This potentially allowed those invited to make appointments to view details about other individuals also making appointments, including name, gender, age, phone number and NHI number but no personal health information.

The appointment system was taken offline immediately once the error became known and remains offline until the issue is rectified and the system thoroughly tested.

Over the weekend the DHB is contacting all those potentially affected to apologise and inform them of the actions now being taken. 

The key concern of many of those contacted was that their booked vaccinations would go ahead as planned – which they will. A relatively small number of people were understandably upset. 

At this stage, there is no evidence of any malicious breach, further access to this information or sharing of it.

Individuals with questions or concerns about the booking system coding error should in the first instance ring Healthline on 0800 358 5453.

A national booking system, using different software to Canterbury’s interim booking system is currently being developed by the Ministry of Health to support scaling up of the vaccine programme.


The Ministry of Health made two media statements on this issue which can be viewed online at 


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Page last updated: 19 August 2021

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