28KiB, 395x500, 791F24DB-F975-4561-A92B-87D36AB5B111.jpg View SameGoogleiqdbSauceNAO Anonymous Tue 04 Feb 15:09:35 2020 No.11359256 ViewReplyOriginalReport Quoted By: >>11359559 >>11359638 how many infections can human be immune to at any given moment? what is the maximum? since the immune resources are limited, memory cells can’t retain certain immunities for a long time.