This reminds me of the old Soviet joke about the kid in a classroom, asking if Marx was the greatest scientist in history. After being assured by the teacher that that was the case, he asked “Well, why didn’t he try this crap on rats first?”
Some things will recover quickly, but we won’t have a robust recovery until people have sufficient confidence that they can go back to sporting events or movie theaters or restaurants at normal capacity, which will probably require a vaccine (even if it’s a placebo). And now, despite all the money being pumped into the economy, the Fed has to worry seriously about deflation.