Well I guess you are going to spend lots of time with the "How to solve it" question, since I know many people that didn't find the answer in the academic world. Viruses different from bacterias don't have their own metabolism, they use ours! So it is quite difficult to find a way where it doesn't affect us as well. It is interesting to think about that , bacterias are the perfect organisms to produce drugs since their metabolism is independent and totally different from us. When we switch to superior organisms like fungus and protozoa it becomes difficult again, their metabolism have lot's of similarities with our cells, so it is also challenging. And if we go down to viruses we have this problem, organisms without self-metabolism. Well I would love to see your discoveries in the future! Hopefully, they will bring new insights. I agree with you vaccines aren't perfect, we can see that in the flu vaccine and MANY others, but still, they are what we have now...

!1UP