and also mix-and match booster approach. we are talking about some of those who received one vaccine and would perhaps consider another vaccine to boost their protection, these are all big questions that still needs to be answered. it tells us you don t have to be a parent to have an interest of what s hamming among these advisory committee members in the coming weeks. certainly a lot of questions on those issues. and no question about it. paulo sandoval, thank you so much for that. joining me now is dr. schachter, a doctor at the division of infectious diseases. dr. schachter, great to see you. the number of people dying in the u.s. and hiv and aids in the u.s., these numbers are staggering. there are more deaths due to