Also, the spread of disease did go both ways. Syphilis came from America to Europe.
It's also worth noting that Europeans are not at the top of the food chain in terms of disease resistance. Various European powers raised a flag on New Guinea, but they never successfully colonized it. It's a cesspool of disease, and Europeans never managed to do more than establish a few trading posts on the beach.
It's also worth noting that Europeans are not at the top of the food chain in terms of disease resistance. Various European powers raised a flag on New Guinea, but they never successfully colonized it. It's a cesspool of disease, and Europeans never managed to do more than establish a few trading posts on the beach.