the total number of positive cases in Greater Manchester increased by more than 50 per cent in one day.There were 576 positive cases confirmed in the region on Wednesday, compared with 374 on Tuesday.But that is likely to have been caused by the backlog of tests that have been taken that took longer to produce a result.A more accurate guide to the bigger picture is the infection rate.Our latest analysis of the data shows that Oldham is still seeing an increase in cases, but the infection rate has fallen slightly to 110.1.Salford, Bury and Tameside all have rates in the 90s, while Rochdale is on 86.8 and Manchester 84.1.Only Stockport, 44.3 and Trafford 43.4 remain outside the government 'red zone'.There continues to be widespread reports of.