When the Spaniards found the “new world” and brought all the eastern diseases to it, why didn’t the same happen to the Spaniards?

by Golden_Spider666

Like. I imagine that the America’s also has some horrible diseases that were really deadly to the invaders but not to the natives.

goingtocalifornia_

This question’s been asked before if you search for it. Edit: found it. https://www.reddit.com/r/AskHistorians/comments/3ck97r/when_europeans_brought_diseases_to_the_new_world/cswt3wd?st=JB0BRSHX&sh=dbfab2b1 with an answer from /u/anthropology_nerd