Uncertainty over what is causing Wrexham’s rise in coronavirus – now at 795 per 100k This article is old - Published: Wednesday, Jan 6th, 2021 The leader of Wrexham Council has said there is “uncertainty” over what is causing the current rise in coronavirus cases in the county borough. Wrexham currently has the second worst rolling seven day figures in the whole of Wales, while other areas are seeing their rates decrease. Yesterday the county saw another 149 cases reported for the area, with a 28.8% positive proportion of tests. The rolling seven day benchmark figure for the period up to and including new years eve has a case rate of 795.1 per 100,000 population.