COVID-19 cases continue to rise in Alberta, with 727 additional cases identified Sunday as well as six additional deaths.The six deaths reported Sunday were seniors either in hospital or in continuing care centres.Four were in the Edmonton zone: a woman in her 90s at the University of Alberta Hospital outbreak as well as three women — one in her 70s and two in their 90s — at the Edmonton General Care Centre.Two were in Calgary zone — a man and a woman, both in their 80s, at the Agecare Skypoint in Calgary zone.The COVID-19 death toll in the province has now reached 363.This weekend saw record-high case numbers reported in Alberta: on Saturday, there were 919 new cases, which was the highest number reported in one day since the pandemic.