For those curious about Original Antigenic Sin [1]. It's basically the immune system keeping and using an old weapon that is no longer effective just because t

For those curious about Original Antigenic Sin [1]. It's basically the immune system keeping and using an old weapon that is no longer effective just because the intruder has the same haircut as his great great grandfather. [1] https://en.wikipedia.org/wiki/Original_antigenic_sin https://en.wikipedia.org/wiki/Original_antigenic_sin