[benjaminjt]

The University of Queensland website has a nice summary [0] if you're in a hurry:

> The University of Texas Hexapro vaccine candidate – delivered via the UQ-developed and Vaxxas-commercialised high-density microarray patch (HD-MAP) – provided protection against COVID-19 disease with a single, pain-free ‘click’ from a pocket-sized applicator.

[0] https://stories.uq.edu.au/news/2021/needle-free-covid-19-vac...