Two public health measures—testing, to identify those infected, and contact tracing, to identify those who may have encountered an infected person—have become essential as countries around the world ...

As the pandemic progresses, there’s been significant attention directed at new digital approaches to supplement traditional contact tracing, defined by the World Health Organization as “identifying, ...

Digital contact tracing, if built in a voluntary, privacy-protective way using Apple and Google’s new Bluetooth-based standards, may allow the public to play a role in containing the coronavirus ...

Outbreaks of coronavirus disease 2019 (Covid-19) emerged in the United States and in European countries in February 2020. Urgent action was called for, since experts estimated that 30 to 70% of people ...