The latest COVID-19 study from the University of Saskatchewan shows a dramatic jump in COVID-19 virus in sewage samples taken from three cities in the province. On Monday, the Global Institute for Water Security's report showed an increase of 109 per cent in viral RNA in Saskatoon's wastewater sample compared to the week before. Similarly, North Battleford showed an increase of 124 per cent and an increase of 61 per cent in Prince Albert.