Viral outbreaks of this nature can never be truly contained, merely delayed.
The US stopped flights, how’s that worked out?
They only stopped flights from a few countries and nationalities though so why would it work?
Have you had a look at the numbers presently within China on John Hopkins?
Who knows how accurate they are but they would certainly suggest that the aggressive measures seem to be working...
I went from worrying about living here and my parents in England worrying about me, to me now worrying about them!