They have approved COVID shots for kids as young as six months old. Those shots will start going into arms today. Dr. Mandie Svatek, a pediatrician with the University of Texas Health System, says that parents need to take this seriously. There is a concern, though, about vaccine fatigue. They approved the Pfizer vaccine for kids as young as five in October, but federal data shows that they have vaccinated less than a third of that age group.