China-Joe-Ho has no clue about where he is or what he is doing anyway. Obama staffers are running the country. China-Joe-Ho is just a pathetic figurehead who is wielding even less power than the Queen of England.
So, who will deliver the State of the Union address? If Biden has gone underground earlier in the day will it be Zoomed? Or recorded earlier to be shown on a big screen in the House? If they do that, his handlers can carefully edit out all his gaffes and make him look like he is in charge, but you know, the covid and all that.
Another point, ALL the other world leaders are watching this and making plans accordingly.