Our retrospective on what went wrong with #DigitalContactTracing including #ExposureNotification is now also up at https://preprints.jmir.org/preprint/49560, where there is an Open Peer Review process until June 15.

Our Perspective #preprint on #DigitalContactTracing for #COVID, with diverse coauthors. An 80% success rate is needed at each of 6 points of failure to reduce R(t) by 26%. Singapore is the only country that got close this time, but the tech could be both transformational and safe next #pandemic – if we ignore prevailing self-serving narratives and instead heed the lessons-to-be-learned. https://arxiv.org/abs/2306.00873 1/n