While you've played an integral role in helping the government come up with the plan and making these decisions, can you comment on how efficiently they are doing this and why other options might have not been as efficient?
I know you mentioned several times that international candidates, as well as domestic candidates, were being evaluated at the same time. Can you just give us a bit more as to why it was important to go with the most promising vaccines first and maybe focus on domestic production a little later on in the game?