COVID-19 vaccine tracker: How many Canadians are vaccinated? The three-day average of 6,301.3 is well above the 4,409.3 from last Monday’s total.With that total, 68.75 per cent of all Waterloo Region adults have now had at least one dose of a COVID-19 vaccine, although that number falls to 56.14 per cent when including the entire population.The number of residents who have been fully vaccinated has started to accelerate as well as 5.92 per cent of all Waterloo Region citizens have gotten two shots of vaccine.The stated goal is to get to 75 per cent which, in theory, would be enough to achieve herd immunity.On the flip side of things, Waterloo Public Health reported another 43 positive tests for the coronavirus, lifting the total number of.