This graph charts the steep rise in Covid-19 cases in Oldham over the last week.In the week leading up to July 25, confirmed incidences of the virus increased 'dramatically' with 119 new positive cases being recorded across the borough.The surge in cases is mostly being seen in central and western districts, new cases are being recorded all across the borough - with an increasing number of cases in the younger population, particularly among 20 to 40-year-olds.The spike has resulted in the return of tougher restrictions after the easing of lockdown measures and deprivation were blamed for the problem.To avoid a Leicester-style local lockdown leaders are asking vulnerable people to continue shielding until August 14.And for the next two weeks.