Perth and Kinross.In the week between February 16 and 22, there were 84 positive tests at a rate of 55.3 per 100,000 people, and just 2.9 per cent of tests came back positive.The previous week has seen 96 positive cases at a rate of 63.2 per 100,000, with 4.2 per cent of tests being positive.The drop had stalled for a period while the North Inch area of Perth still has an infection rate of above 400 per 100,000, which is linked to two outbreaks in the area..