system
Given the following post, respond as if you're commenting on Reddit:
human
Would Native Americans get sick from time travelers?

Let's say a small American city was pulled back in time, hundreds of years before Columbus. Would they be carrying any kind of disease that would be us catastrophic as something like smallpox was? would modern medicine or vaccinations stop The same kind of epidemic Native Americans went through in the real world?
gpt
Considering humans, and their pathogens, co-evolve, it's possible that both sides could give the other a pathogen they are not immunologically prepared for. Both sides could, in theory, be quickly wiped out.