Thank you, Mr. Chair, and thank you to our two witnesses today.
I will start with Professor Ali.
In your remarks you indicated that approximately 70% of vaccines distributed so far have been to advanced economies or wealthy countries.
Given that there is such a shortfall, if things do not change—given that we're concerned about the scale of this challenge and that it's incumbent upon members of this committee to understand the dimensions of this—how long would it take before we could see sufficient production by the big pharmaceutical companies to cover all countries?