> And that makes me feel like, for the rich world, we should largely be able to end this thing by the end of 2021, and for the world at large by the end of 2022

> And that makes me feel like, for the rich world, we should largely be able to end this thing by the end of 2021, and for the world at large by the end of 2022. That is only because of the scale of the innovation that’s taking place. Now whenever we get this done, we will have lost many years in malaria and polio and HIV and the indebtedness of countries of all sizes and instability. What does he mean by that ? That research regarding HIV, malaria and polio is slowing down ? Or that there'll be a rise in HIV/malaria/polio cases ?