Potentially useful to build on, I have some colleagues that have done something similar:
https://www.lshtm.ac.uk/newsevents/news/2018/bbc-experiment-co-developed-lshtm-generates-dream-dataset-flu-researchers
It doesn’t include the user feedback element (i.e., telling them when they are at risk), but seems to have many of the other elements.
Potentially useful to build on, I have some colleagues that have done something similar:
https://www.lshtm.ac.uk/newsevents/news/2018/bbc-experiment-co-developed-lshtm-generates-dream-dataset-flu-researchers
It doesn’t include the user feedback element (i.e., telling them when they are at risk), but seems to have many of the other elements.