Article content Canadians perusing social media may be coming across photos of their American peers bearing wide smiles and vaccination cards that show they’ve been inoculated against COVID-19. A recent ramping up of the United States’s vaccine rollout has it vastly outpacing its northern neighbour, and some Canadians are wondering why distribution here is lagging so far behind. We apologize, but this video has failed to load. Try refreshing your browser, or Why COVID vaccine rollout in Canada is lagging so far behind the U.S. Back to video Dr. Krutika Kuppalli, an infectious disease doctor in South Carolina, says that while the speed of the American rollout has been impressive lately, it’s not been without its faults.