I assume that since they're saying he'll be back next Tuesday and also dropped out of Miscast that he must have Covid. Otherwise, how could they say for sure when he'd be returning? I doubt he would have planned an absence during previews so close to opening night.
First, he was out because of food poisoning. Then he got Covid. There's a chance that if he doesn't test negative, he won't be back on the 11th, which would cause problems with the press. Also, Lancelot's first understudy hurt his ribs during the sword scene, so the second understudy has been going on.
