Really excellent jargon free article focussing on the key issues regarding C19 contact tracing.

I think we need a Swiss Cheese approach which tackles different aspects of the contagion: Medical approach covering symptoms,susceptibilities,treatmentand outcomes using Health Service records;Public Health Approach regarding contagion vectors, cluster analysis, testing, contagion mitigation and control, contacttracing,quarantining and compliance monitoring which will use a mixture of personalized and anonymized datasets, Organizational Micro-Location control information which will use locally held master data consolidated into anonymized macro environment reporting data,Local & Port Authority location and Transport analysis which will consider Location and Routing information:Parks,Beaches,Bus and Train Routes,Planes:Arrivals Borders and Airport Controls