[hnrodey]

Last night I watched a YouTube video about COVID-19 symptoms and stages of the disease and it did touch on the points brought up by OP.

[agumonkey]

Could you share the url ?

[ayoubElk]

Not GP but this video gives a good overview: https://www.youtube.com/watch?v=BtN-goy9VOY

[stamps]

Maybe OP is referring to this one?

https://www.youtube.com/watch?v=BtN-goy9VOY

[hnrodey]

This is specifically the video I watched yesterday.

https://www.youtube.com/watch?v=OOJqHPfG7pA

[agumonkey]

oh I should have guessed :)

if you want some interesting details from American MDs there's this podcast

http://www.microbe.tv/twiv/twiv-593/

lots of subtle details that you can't get on simplified stats