Published on in Vol 7, No 12 (2021): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/30004, first published
.
![Using Venn Diagrams to Evaluate Digital Contact Tracing: Panel Survey Analysis Using Venn Diagrams to Evaluate Digital Contact Tracing: Panel Survey Analysis](https://asset.jmir.pub/assets/351c2307c2695af6b1b2de93810e1e65.png 480w,https://asset.jmir.pub/assets/351c2307c2695af6b1b2de93810e1e65.png 960w,https://asset.jmir.pub/assets/351c2307c2695af6b1b2de93810e1e65.png 1920w,https://asset.jmir.pub/assets/351c2307c2695af6b1b2de93810e1e65.png 2500w)
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