Worry more about vaccine uptake.
We can control the epidemic with vaccines but we can't eliminate it unless there is widespread uptake of vaccines. The picture around the globe is highly patchy.
Of the strong opinion that they should move through those who want it very quickly. Offer it once, if they don't get back, move on, even if it means moving down through the categories. Then offer those again a month later or so to see if their nerves have settled.