How fragmentation can undermine the public health response to Covid-19

by Dr Andrew Chen
Abstract 3d modelling of a connected chain of molecules in a hexagonal structure

Update (6 March 2021): Andrew’s article is now available in html/e-reader format and as a PDF.

First posted 2 November 2020

New blog post: Dr Andrew Chen’s write-up on the challenges posed by the fragmentation of QR codes to NZ’s digital contact tracing efforts has been published in ACM Interactions.

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