New Zealand will make further upgrades to its NZ COVID tracer app early next month and next week will make it mandatory to display app-linked QR codes on posters on most forms of public transport.

In a response to recommendations made by Ayesha Verrall in her rapid audit of contact tracing in April and a progress report by the Contact Tracing Assurance Committee (CTAC), Health Minister Chris Hipkins said New Zealand was in an increasingly strong position with an improved contact tracing regime.