"shrug"
What is your point then, SS?
I gave you the WHO reference to pandemic, which it fits.
Were you expecting "pandemic" to include in its definition, "kills loads of people"?
Because it appears not to.
"shrug"

I appreciate that for the young fit and healthy, it may not be more than "a severe form of the cold."What is your point then, SS?
I appreciate that for the young fit and healthy, it may not be more than "a severe form of the cold."
But for the elderly and those with certain health conditions, it poses a potentially serious threat.

A lot of sufferers only have mild symptoms. The thing with underlying health issues is, that some may not know they have them.I am not being unsympathetic, truly i am not, but what do you think "underlying health condition" means?
It means that the sufferer has a condition that makes them more susceptible to a more severe outcome to a given stressor, than a non-sufferer.
(I am presuming that "underlying health condition" is used to describe an unwanted condition, as opposed to something like "spectacularly rude health", "the ability to self-heal in moments", or "immortality").
A lot of sufferers only have mild symptoms. The thing with underlying health issues is, that some may not know they have them.
You review a lot of expert opinions. Are you one?

I know what they are, I have two of them!I am not being unsympathetic, truly i am not, but what do you think "underlying health condition" means?
I know what they are, I have two of them!
https://www.manchestereveningnews.co.uk/news/uk-news/full-list-underlying-health-conditions-17938879
we need to keep in mind a tube train is a giant piston and you get amazing airflow in a station as one enters
i would imagine a cough or sneeze could cover an amazing area in a tube station at the wrong time