We know that huge populations of the Americas died from the germs the Europeans brought with them, but was it a two way street?
hi! fyi, there are some excellent threads in the FAQ on this topic; check out the subsection Impact of indigenous diseases on the Europeans:
Two of the posts are still open for comments, but the other two have been archived. If you have follow-up questions on those, just ask them here & mention the relevant user's username to notify them