No. He’s not incapacitated. He can sign things, he can tweet, he can still bloviate like always. Pence may have to step in for some social obligations (if he’s not infected as well), but not be the acting President.
You left out that in Aug 2019, he allowed the maintenance contract for the strategic medical stockpile of things like ventilators and PPE to lapse. This is why many of the ventilators distributed were useless.
I’m reading random comics every day. This one from 1995 is highly applicable today: https://www.gocomics.com/tomtoles/1995/11/05