coronavirus tests were recorded in a week in Greater Manchester for the first time, the latest figures show. The latest data shows there were 3,101 positive test results in seven days leading up to September 17.Just two weeks ago, the weekly total in the region topped 2,000 for the first time.The Covid-19 infection rate is now increasing 21.6% week-on-week.There were 472 cases confirmed in the region on Saturday, which is less than the total in the two days before.But that is likely to have been caused by the backlog of tests that have taken longer to produce a result.A more accurate guide to the bigger picture is the infection rate.All ten boroughs in Greater Manchester remain on 'red alert' - the highest level of alert.Bolton still has.