against infection. in most of those cases, the protection against severe disease still remains. and against all of that backdrop is just epidemiology in south africa, which is one of the countries where this was first detected, not originated, first detected, where the cases and hospitalizations are going up. but it's all too early. and what we're going to find over the next couple of weeks is laboratory tests that tell you whether, you know, whether it does or doesn't reduce the effectiveness of vaccines. south africa is saying that they have a signal that they're seeing that a lot more people who had prior infections are now getting infected, and that raise s a question of, maybe there is some new notification component to this. we have to see how they respond to one dose, two dose, three dose of vaccinations. most people think that if you've gotten that booster, you'll have better protection against infection and probably very good protection against severe disease, as well. >> we're out of time. i'm just going to say, you're right about the unvaccinated, but they won't listen. dr. nahid bhadelia, sadly, we're