Published on in Vol 9, No 11 (2021): November
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/29181, first published
.
![To Use or Not to Use a COVID-19 Contact Tracing App: Mixed Methods Survey in Wales To Use or Not to Use a COVID-19 Contact Tracing App: Mixed Methods Survey in Wales](https://asset.jmir.pub/assets/44a7719e361585085e657d29644d90c6.png 480w,https://asset.jmir.pub/assets/44a7719e361585085e657d29644d90c6.png 960w,https://asset.jmir.pub/assets/44a7719e361585085e657d29644d90c6.png 1920w,https://asset.jmir.pub/assets/44a7719e361585085e657d29644d90c6.png 2500w)
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