Devon and Cornwall will be inundated with refugees? Ifs, maybes, and conjecture

[Devonian]

You really are grasping at straws now.

So there infections break, shall I lock myself away inside my and avoid contact with others, or shall I leave and mingle with thousands of others who could be potentially infacted.

Dirty bombs are also unlikely to have enough radioactive material to contaminate large areas even if dropped from height.

Most people will simply sit tight - they are not preppers or even educated enough to make their own decisions, they will be glued to their TV's watching it unfold around themselves.

As for setting of a 'few' they will struggle to have enough radioactive material for a single device, let alone a few.