Before strep throat reaches level of rheumatic fever, do a small number of antibodies already start to attach to body tissues?

It is rather complex: Link between strep infection&rheumatic fever is not clear.It seems that the bacteria tricks immune system.Strep bacteria contains a protein similar to found in certain tissues of the body.So the immune cells that normally attack the bacteria may attack body's own tissues as if it were Bacteria.Tissues like heart,joints,skin&nervous system.This takes time inuntreated cases of Strep throat&ScarletF