falling behind numerous other countries when it comes to overall percentage of the population that’s been vaccinated, we’ve seen disruptions in the delivery of the two vaccines that have been approved for use here, and we’re hearing all sorts of protectionist rumblings that could further disrupt — or block — vaccine shipments.At the same time, though, there is some potential development that might help improve Canada’s situation: Health Canada is said to be close to a decision on whether to approve AstraZeneca’s vaccine and this past week has delivered some encouraging news with regard to the vaccines developed by two other companies with whom Canada has signed purchase agreements (Novavax and Johnson & Johnson).How this all plays out.