Is the Vaccination a Long Term Study?

The data was published from aditonant part tery. This is looking at effective this is looking at vacine effectiveness in terms the infection rit of the vaccinated against the unvaccinater. There's 956 cases amongst the vaccinated, and only 751 in the not vaccinated. Notice it's true for each age category, ause its sim oten. So where the problem is that older people are more likely to die, or get get infected, whatever.