The job is literally to be prepared for the future on behalf of the country. If you take active steps that make us less prepared for something and we therefore suffer greater consequences when it happens, I have a really hard time describing that as being something outside of your control.
Under normal circumstances, an exigent crisis such as war would make a President significantly more likely to be re-elected. He tried to start a war with Iran not long ago for this very reason.
Get out of here with this. We had expert teams and processes in place to combat the possibility of this exact thing and his administration fired them without any replacement.
The virus existing is not his fault, but nearly all of the national consequences rest directly at his feet.
edit: And South Korea has tested 345k+ and only 9k have come back positive: https://www.cdc.go.kr/board/board.es?mid=&bid=0030