This would be the obvious thing to do.
Its better to make every effort for safety, than have the potential for hundreds of thousands of dead and very sick Americans.
To this day, I am surprised that the deportation and closure of our borders did not commence at midnight on 9/11/01.
Successfully getting rid of all of both categories would cause more economic dislocation to the US than the 9/11 attacks.
People don't want to hear that, of course.