The reason we can assume viruses are mostly not deadly, except for the vulnerable ill, is because humanity is still here to tell the tale. 1000s of viruses survive, throughout the ages, because killing the host is self-defeating, so they don’t, they need us to live so they can too.
The “cures”! Humanity survives because of our immune systems and so a cure is to find ways to strengthen our immune systems, with healthy eating, exercise and socialising in the sunshine to grow Vitamin D, all things we are being ordered not to do. The government restrictions are the opposite to what’s needed. And therapeutics help us recover from illness, whereas vaccines rest on an assumption that all the rest can be avoided with a preventative magic jab.
But surely almost anything can count as an 95% effective vaccine when the mortality rate for a particular virus is less than 0.07%, but for whatever reason the government proscribes expensive medication rather than cheap and generic alternatives and good health care.