would make a difference based on that graph. >> so how long then after you get a booster shot do you receive the protection from it, the full protection? >> usually a couple of weeks. kind of like after the second shot. so it takes a couple of weeks for your body to respond and make those antibodies. >> all right. the united states is now reporting 94,943 new coronavirus cases per day. the highest seven-day average since early october. what do you think about that? when you look at this chart, what do you blame for it? could it be the beginning of a winter surge? >> yeah, i think so. that's the concern. hopefully it's not going to be a surge like we've seen in the past, but i think with the cooler and drier weather, we know the virus is spread more easily. people are more likely to be indoors. spreads more easily. we still have a significant percentage of the country that's unvaccinated and this is a really contagious virus. and then on top of all of that