People who are 18 or older and got their first booster more than five months ago can book online or call 811. The province recommends that people who have recently had COVID-19 wait at least three months before getting a booster. “As we continue to live with COVID, vaccines remain critical to reducing the risk of serious outcomes and protecting the healthcare system,” said Health Secretary Jason Copping. consider their unique circumstances when making choices about the second amplifier.” As of Tuesday, 81.5 per cent of eligible Albertans had one dose of vaccine, 77.4 per cent two and 38.4 per cent three.