“I’m back because I am a perfect physical specimen and I’m extremely young. And so I’m lucky in that way,” he said on Fox Business Thursday.

His comments came in response to the Commission on Presidential Debates announcing on Thursday that the next presidential debate next week in Miami will be virtual with both Trump and Biden participating from remote locations…

“I’d love to do a rally tonight. I wanted to do one last night. But I think I’m better to a point that I feel better than I did,” he said.

He said he received Regeneron and it made all the difference.