I've been watching his videos on covid19 recently and unfortunately it appears he too is coming down with the virus. He's going to journal his recovery on Twitter.
What I think is worth sharing is that his initial symptoms (whilst yes do include a high fever) are not that widely recognised at the moment. Gastrointestinal disturbances / diarreah.
I have this at present, coupled with an awful metallic taste in my mouth that I can't shift.
I think there needs to be more recognition of non-textbook symptoms as prior to now I wouldn't have thought of the squits as reason enough to self isolate.
If you really search around you can find that it is a known symptom but not something the NHS is highlighting or warning about at the moment.