Talkie_Toaster
I toast, therefore I am
Yah, that'd do it 

Poland wasn't as poor as Spear said. But we had (and still have) really poor infrastructure...
Well, I'd wager that the more trade routes a city/civ has the easier chance they get the plague, and as for being rich, well, you can look at that as being able to build aquaducts and other things that improve health and mitigate the plagues effects.![]()
I do think that most problems can be solved by giving the last unit in each city immunity. Or at least two, that should be harsh enough.
mitsho