Data collection and processing via digital public health technologies are being promoted
worldwide by governments and private companies as strategic remedies for mitigating
the COVID-19 pandemic and loosening lockdown measures. However, the ethical and legal
boundaries of deploying digital tools for disease surveillance and control purposes
are unclear, and a rapidly evolving debate has emerged globally around the promises
and risks of mobilising digital tools for public health. To help scientists and policy
makers to navigate technological and ethical uncertainty, we present a typology of
the primary digital public health applications that are in use.

Source: www.thelancet.com