“We’ll be in a little bit of a supply scarcity situation into the first quarter, maybe going into the second quarter, and so in that circumstance, you want to make sure you’re getting it to the right people,” Berkley said when asked if Covax could administer boosters, or extra doses that are part of a vaccine regimen, in 2022. “If we end up in a situation where we’re in supply excess, then we can have those conversations.”