Have you seen your papers?

I don't think I have them on me.

In that case, we'd have to ask you to come along.

That's a clip from the movie Casa Blanca.

But it could be a question you hear in the near future.

Have you been vaccinated?

And if so, can you prove it?

Officials have stressed that there's going to be no federal vaccine mandate

and no centralized vaccination database.

But some health experts are calling for standardized vaccine passports

that can keep track of who is immunized.

So today, I'm going to talk about existing efforts to record vaccinations

and how they could change.

I'm Dr. Sanjay Gupta, CNN's chief medical correspondent.

And this is coronavirus, fact versus fiction.

By no letter in April 19th in every part of this country,

every adult of the age of 18 or older will be eligible to be vaccinated.

Nearly 200 million Americans have received COVID-19 vaccines

and the discussion is now shifting from the rollout to the aftermath.

Is anyone really keeping track of who's immunized?

Who should be responsible for managing this sort of record?

Well, there are pros and cons to this idea.

...