The leaky pipeline of the test and trace programme


Published: 22/09/2020


1. Estimate for number of infected people is for period 4 – 10 September while NHS Test and Trace performance information for 3 – 9 September. It includes asymptomatic cases but not those in care homes, hospitals and other institutional settings.
2. Cases not reached includes those who declined to give details or, for non-complex cases, whose communications details were not given.
3. 'Contacts not identified’ scaled – for indicative purposes – to a previously published (low) estimate for number of close contacts per positive case.
4. Contacts not reached includes, for non-complex cases, known contacts without communication details.