between allow and recommend. they could say, for example, they would recommend that the initial people to get the boosters are people over the age of 65. or healthcare workers or certain frontline workers, but then they should say that they can allow boosters for people who consider themselves to be high risk. i just worry that the cdc is going to be too prescriptive. who is to say that let's say a 28-year-old who has renal disease and heart disease and maybe a teacher working in a school where kids are not masked, we should allow that person to decide that they are high risk enough that they should be getting the booster and i hope the cdc has this permissive attitude today rather than being overly prescriptive with a recommendation. >> should we look at this big picture as a for now decision? in other words, this will be in stages that eventually the guidance will be that everybody needs or would benefit from a third dose? >> yes. i think the evidence is