Goodbye Pandemic, Hello Endemic
There are two reasons that the transition from pandemic to endemic did not happen until Omicron: 1) all the widely used vaccines are based on the spike protein, which does not induce protective long-lasting T cell response, and 2) natural immunity was not widespread.
should be mindful that we're not out of the woods yet and people are still
suffering, I remain optimistic that we are beginning to see the light at the
end of the tunnel