Wow, it's a slam dunk, eh guys?
Ab, That IS how it's spelled...
sidbo, If you need to redefine "vaccine" to include whatever toxic gene therapy soup you've invented... well, it's more appropriate to call it a drug.
StN, maybe unlike LS, you missed these classes in year 7, year 9.
Blood cells at 40x magnification.
https://www.youtube.com/watch?v=udLEKbxHK60
If the coagulation structures are perfectly visible at 40x, why go any further when the goal of the study is to just see the difference.