Then either you don't seem to be very good at predicting the future, or you're a very pessimistic person, or possibly both.
As just one example, #20 is already being done for COVID: https://www.sciencemag.org/news/2020/10/new-test-detects-cor...
And another disease: https://www.nature.com/articles/s41586-020-2835-2
I could go on, but I think I've made my point.