Preferred vaccine protocol evolves based on the level of peril

The federal vaccine advisory body is saying that it may be okay for some people to wait for Pfizer or Moderna shots. The evolving vaccine protocol is explained in a CTV story here by the chair of the advisory committee, Dr. Caroline Quach. She says the deciding issue should be whether the pandemic is all around you. If it is, you should take the AstraZeneca or other similar vaccine immediately.