A small number of cells near the site of the injection will produce a small number of S proteins for a few days after injection. The immune system will attack those S proteins immediately. Macrophages will destroy them readily since they have no method of “fighting”.
But due to the sheer number in the area, dendritic cells will still take samples to the lymph nodes where T cells and B cells will be produced, providing lasting immunity against the SARS-CoV-2 virus.
By any chance, was this taken from the “How we would dearly like things to go with respect the projected function of the lovely and inoffensive mRNA gene manipulation serum we seek to design and manufacture for the benefit of our beloved countrymen besieged by a dread plague, toward whom we bear no malice...really, we don’t!!” section of the Pfizer or Moderna business proposal?