Vaccines - What's Your Thinking?

The selection for fitness occurs at a pace that's much greater and faster than i would have imagined. The current data, to me, are yet to tell us what to do about omacron. It's not clear that, given the fact that we mimnized people with a prototype strain, that a delta boost would be better. And i inot actually trime to predict what the answer will be. Think your guess is as good as mine, you hope so ani,. One hopes you ritSo what have you been thinking about as thevariants have emerged? For each one? Have you started thinking about a new vaccine and then moved on? But what's your thinking