Board Thread:Writer's Workshop/@comment-35752811-20180608135038/@comment-35711173-20180608185017

You are inconsistent with dates. Is it the 24th or 20th century?

If it is more than a couple of decades after the initial outbreak then we would have evolved resistance. A few people would be resistant. In Europe it may have been one in four. Perhaps one native American in sixteen had enough natural resistance to smallpox. They survived so they passed the trait on. In three centuries the survivors would mostly be immune.

Forget finding a wood fired locomotive outside of a museum. Even steam fired ones were discontinued like 50 years ago.