Remote monitoring showed improved safety outcomes for individuals with COVID-19, meanwhile minimising potentially infectious trips to health-care settings and protecting precious hospital beds. The need for public health institutions to make dedicated efforts to rebuild public trust was highlighted during the COVID-19 pandemic. ...WhatsEpi would need to ensure that its methods are sufficiently transparent so that people across class, cultural, and political lines will recognise what is being done with their data. ...a system would only become a reality if technologies like machine learning, GIS, environmental sampling, genomics, and remote monitoring are leveraged to present the general public with real-time personalised alerts that would have real implications for their wellbeing.