The US economy will be destroyed not by COVID. The upcoming crisis is a result of the government authorities' stupidity. Why wasn't COVID so disastrous for China? Because they could prevent a real collapse.
I do not think that it is the case, the reason that the crisis is hitting US hard is the fact that they did no have a comprehensive plan for this problem, the stocks went down because most of the companies have lay off their employees thus lowering their profit and in turn lowering their market value, China on the other hand have experienced so many novel viruses in the past and they have a huge population whiich means they have a huge consumer base and ther market wasn't that affected.