But What’s The Human Contract Tracer Process?

With news items like this, you have to question a few things:

Figure 1

The main question, is that what will this App do, that a whole lot of human contact testers cannot do? Hellewell et al [1] have analysed how well contact tracing could be used to suppress the spread of COVID-19. For this they used they varied the reproduction number (R0), the delay from symptom to isolation, contract tracing…