The President of the United States is the chief administrator of the U.S. Government, as established by the U.S. Constitution. Trump may be right in that he was given a set of circumstances but he, as chief administrator of the U.S. Federal government is responsible for how the Federal government reacted and continues to react to those circumstances.
And when time comes for Trump to face election and whoever runs against him raises his actions in response to this crisis as measure of why he should not be elected, NOBODY, whether Republican or Democrat should cry foul on that issue being raised!