Four of the 10 worst areas for tracing contacts are also among the 10 worst Covid hotspots

Cases per 100,000 people

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50

100

150

Bolton 175.2

Blackburn with Darwen 107.4

Oldham 106.5

Tameside 96.8

Warrington 91.6

Knowsley 88.3

Liverpool 83.5

Bradford 83

Leicester 80

Salford 78.6