Nope and nope. Waiting for phase three trials to complete.

Phase 3 trials were concluded last year. That's why the vaccines are available.

https://www.pfizer.com/news/press-release/press-release-deta...

Did you mean that you were waiting for the regular use authorization rather than the emergency use authorization? OK, that's expected early next month:

https://www.reuters.com/business/healthcare-pharmaceuticals/...

You might want to make your reservation early, since I hear a lot of people claiming that they're waiting for that. Of course it's the very same vaccine that's available today; it's just a matter of going over the paperwork to make sure all of the i's are dotted and t's crossed.

What can phase three trials show us that an empirical trial of a billion people can’t?

Well, I think everyone have had an opportunity to check results of phase three trials since last October or September?