combination of the two should speed this process up. >> dr. bhadelia, this is a concern that a lot of people have, that vaccine manufacturing capacity that's regional and that's something to fix for the future. except that's not the case in india. they actually are a massive vaccine manufacturer, so is it infrastructure, is it distribution as dr. katyal says because you've worked in ebola, and you've seen what bad distribution of medication and health services can do. >> that's right. i mean, i think overall there are parts of the world that just don't have enough manufacturing capacity, and you can look at the continent of africa that has to import 99% of the vaccines administered there. but there are other countries such as india and south africa that had the infrastructure and currently the problem is there weren't enough raw material. we have to trace back to what happened which is covax, the w.h.o. utility put together to