they say a combination of relaxed guidelines and new variants are driving up daily case numbers and deaths have also been increasing for three days in a row. neil: take you very much for that. doctor roger kline, the expert institute policy advisor, doctor, great to have you back. what you make of this recommendation, maybe a booster shot within 12 months, there's talk as well of maybe treating it as we treat the flu, and annual vaccine shot, what you make of all that? >> we don't know yet and that is the real answer. up to six months the vaccines look very effective. we don't know for sure whether or not the buyers will hang around. openly it won't but if it does, we are going to maintain a level of residual immunity and that's going to happen. the real question is, will it