A good read for thinking about some Ethical concerns relating to the project
https://www.brookings.edu/techstream/inaccurate-and-insecure-why-contact-tracing-apps-could-be-a-disaster/
In particular, as we engineer to reduce False Positives & False Negatives, we should be sensitive to the fact that the factors that cause these are not distributed evenly within the population.
Poorer, already-disadvantaged communities may naturally be more prone to false positives & false negatives. We should target efforts to improve rates for those communities, and not just pick “low hanging fruit” that may tend to improve the rates for more privileged communities.