and the biden administration task force are insisting that we saw in the winter and spring is not what it will look like for spring forecasts. instead stressing that there s a plan from the logistic of smallest needles to the fact that they quote don t want lines of kids at mass vaccination sites. i think that s probably a good idea. coronavirus resorts coordinator jeffrey zients reporting we re going to be ready. dave dr. vivek nervy, responsible for the nation s public health. he joins me now. what are the specifics logistics challenges here that you all are thinking about in the white house and how are you thinking about making sure that we don t end up in a situation like we did when the vaccine first became of all available for adults? became of all availabl for adults it s an exciting moment you.