Epidemiology - What's the Stumbling Block to Getting to This Point?

With access to data, researchers can do a lot of things. And with access to data that is trans arent and reliable, they can do even more things. When you've got millions of people, you will get things you never thought you'd see. So we've heard a lot of reports about somebody being reinfected, getting coved twice. I know, at berkeley, i was just told there's a suidon ot berkeley who's re infected, and they have a variant. But it's hard to say, from one person, because we're all a little bit different. One is one. But if you have a huge number, now we can start saying