> I wonder if the focus on (very rare) side effects is part of an effort to lay the groundwork for doing that without a huge backlash from rich country citizens

> I wonder if the focus on (very rare) side effects is part of an effort to lay the groundwork for doing that without a huge backlash from rich country citizens. But that focus also undermines the use of these vaccines in poorer countries. Who will want the thing that the rich countries rejected as substandard?