83KiB, 900x900, dxl2ui5v2r611.jpg View SameGoogleiqdbSauceNAO Brainlet here Anonymous Tue 09 Jun 22:23:32 2020 No.11779678 ViewReplyOriginalReport Quoted By: >>11779686 >>11779843 I know little about micro biology so correct me if I'm wrong. A vaccine consists of dead microbes of the specific disease. So why does it take so long to develop vaccines. Is it just hard to kill a microbe and preserve it?