Agreed, though it would have been necessary to deploy the vaccines globally, especially in the least-wealthy parts of the world. In the case of Omicron, there'

Agreed, though it would have been necessary to deploy the vaccines globally, especially in the least-wealthy parts of the world. In the case of Omicron, there's a good chance that the vaccines would have needed to reach a community in Botswana ahead of the initiation of the chronic infection that may have produced BA.1, BA.2, etc. First-world extensive deployments would have killed off the first-world propagation of variants through Delta in short order, but everything changed with Omicron.