certain level because of combination of the durability of protection and the special effect regressing with the delta variant. laura: seems there making it up. i'm hearing about the special effect, it was supposed to be better than natural immunity, now you need the third and the fourth, seasonal boosters, aren't we going to have to get used to living with this virus? >> that's the thing. if you look at what the data around the world shows countries that are very highly immunized of had cases, case surges still happen, the vaccine does provide protection against severe disease, that's a very good thing. if you are older it is worth getting the vaccine because covid is so bad relative to the vaccine but on the other hand the government and doctor fauci