https://www.huffingtonpost.co.uk/entry/test-and-trace-spending-ps37bn-budget-small-print_uk_60412920c5b601179ec35d4a
https://www.gatesfoundation.org/goalkeepers/report/2020-report/?download=false#GlobalPerspective
https://ldtcoop.medium.com/data-science-versus-econometrics-a13ec6e8d1b5