Alberta reported 877 new cases of COVID-19 on Tuesday as the province reached another milestone, with more than half of those aged 12 and over now vaccinated with at least one dose. She called the vaccine numbers a "significant feat," and said it offers "further proof" that the COVID-19 situation in Alberta is improving. The regional breakdown of active cases was:Calgary zone: 9,316Edmonton zone: 4,656North zone: 2,991Central zone: 2,054South zone: 985Unknown: 11Laboratories completed a total of about 15,000 tests on Sunday and Monday, compared to almost 26,000 on those two days the week before. Asked about the test numbers, Hinshaw said there are always fluctuations through the week, with weekend numbers tending to be lower. Alberta is seeing the highest number of ICU admissions in the province's history, which is putting a significant strain on the health-care system.

Source: CBC News May 18, 2021 19:30 UTC