Do you have a link to the research you’re citing from the other day? Also the basis for your implication that there’s a known difference in T cell response for natural immunity vs vaccine immunity?
Natural immunity robust and long lasting: https://www.nytimes.com/2020/11/17/health/coronavirus-immuni...
Killer t cell importance: https://www.nature.com/articles/d41586-021-00367-7