We don't need more vaccine candidates. We had high-quality vaccine candidates at least 9 months ago. What we need are: (a) The ability to produce hundreds of m

We don't need more vaccine candidates. We had high-quality vaccine candidates at least 9 months ago. What we need are: (a) The ability to produce hundreds of millions of doses. (b) Tests that prove (as convincingly as we can) that the vaccine are safe. I don't see any evidence that anyone has any idea how to do better at either (a) or (b).