"We're learning so much about this virus and the immune response to it in a way that we've never done previously."

"The one thing that matters is where we are in this whole pandemic. I would be watching what the variants are doing."

"There is a considerable amount of bias in peer review, and we need to come up with systems to extract that bias so th…"

"The take-home is, so far, so good, but time will tell."

"I think that is going to be a really hard thing for us to be able to predict. The only thing that is going to tell us…"

"We also need to strive to do more rigorous studies of human immune responses."