What we have seen already is that certain countries will try to get access to technologies. You are probably aware that the American President tried to get access to a vaccine out of Germany, a technology that looks very promising. The WHO doesn't really have the authority to regulate this. I think what we will see now is that countries, as we discussed before, will try to ensure there is access to vaccines for their citizens.
On April 30th, 2020. See this statement in context.