Died. that is obviously a big difference. so this data, this is going to be poured over by advisers to the fda, by the fda itself, and a crucial question will be, the way these pills work is that they basically mess with, for want of a better term, the virus' dna. it stops it from replicating. you want to make sure you don't have off target effects. make sure you're not messing with anything else in the human body. so they really will be looking to see if there were any side effects. erica, jim? elizabeth cohen, thanks so much. let's dig deeper, dr. carlos del rio joins us now. just for clar...