With respect to needing a booster some preliminary results in several countries show the highly contagious Delta variant burns itself out without requiring a booster. One issue is new variants coming into the US from illegal immigration on the Southern border due to poor border management. The immigration controls on the Southern border need to be brought up to the standards for immigration into the US from the rest of the world. A second issue is vaccine hesitancy which may subside with full FDA approval of the vaccines.