He’s more like syphilis and the infection has already begun to cause insanity. It’s commonly referred to as TDS, or Trump Derangement Syndrome.
Perhaps a better analogy for Trumpism is cancer. Even when you think you’ve eradicated it in one spot, it randomly pops up someplace else.
I hate to be pessimistic, but this country may never recover from the last four years. America’s halcyon days may be long past.