read this headline over the weekend, max. what more do we know about the queen's condition? >> reporter: we know some sort of breakout at windsor castle with covid. a very tight bubble around her to protect her, and she has since caught covid. she does have symptoms and she is being assessed medically. we also know she's feeling very stiff. she's got some mobility issues. under the current regulations she's expected to self-isolate. so she's on her own in there. at the same time the palace is very keen to emphasize that she still is well enough to work. she's carrying out light duties at her desk. yesterday she sent a let tore to the british olympic team. due to speak to the prime minister during a weekly audience today. they're emphasizing that she's not so unwell that she's unable to work. matters of state continuing with