It is entirely normal to give a series of vaccines spaced by months. Hypermutation and affinity maturation take at last 3 months following the initial dose. T

It is entirely normal to give a series of vaccines spaced by months. Hypermutation and affinity maturation take at last 3 months following the initial dose. There's nothing abnormal about taking a booster shot 6 months later. The Israelis have also found little advantage to a 4th shot.