Is this for the 1st shot only before the booster is administered as if recall correctly for the other vaccines it was around 75-80% for the first shot and went

Is this for the 1st shot only before the booster is administered as if recall correctly for the other vaccines it was around 75-80% for the first shot and went to 95%+ after the 2nd shot. Even if it reaches 75-80% after the 2nd shot it is actually good enough and that was the figure most of the medical professionals were hoping and expecting before the 90-95% effective vaccines came out.