The number of cases in Bradford is going up again THESE are the areas in the Bradford district with the five highest and five lowest Covid-19 infection rates. The infection rates refer to the number of Covid-19 infections per 100,000 people in a certain area. The rolling rate is measured in the seven days to December 23, the most up to date reliable figures available. In these figures, the infection rate for the Bradford district sits at 190.6 infections per 100,000 people, way below the national average which has been pushed up due to skyrocketing numbers of cases in London and the South East.