Some areas are doing really well. some areas have 70% or more of their adolescent population who are eligible and vaccinated. i think the key here is to anticipate these questions, and to invite these families and parents into see their doctor, to see a trusted source to ask the questions, and get the good information that they need so they're ready when the vaccine is available which we anticipate that it should be, hopefully. >> so doctor, you're anticipating the questions, how do you respond, then, to a parent who is more concerned about the vaccine than they are about the potential that th...