Article content But there’s a growing feeling that some people who are fully vaccinated will need a booster shot. The general population might someday require a third dose, or even annual vaccination. We apologize, but this video has failed to load. Try refreshing your browser, or Braid: Albertans may be lining up for more COVID-19 shots in the future Back to video In the U.S., top infectious disease specialist Dr. Anthony Fauci said recently that a third shot might be necessary for people with compromised immunity. In Alberta, that’s not in the works yet, but it could happen.