COVID-19 cases in Alberta that involve the Omicron variant nearly doubled over 24 hours, the province reported Thursday afternoon.The total number of Omicron cases was at 119 on Thursday afternoon, up from 60 the day before.In the same time frame, the province added 473 new COVID-19 cases in total, according to Alberta Health, bringing the province’s total number of active cases to 4,212.The province’s positivity rate sits at 4.98 per cent, according to the provincial government’s website.The Calgary zone has more active cases (1,876) than any other region in the province, followed by the Edmonton zone (1,247), the Central zone (499), the North zone (377) and the South zone (210).