Were the explorers of the Americas when they were first being discovered affected by diseases found in the New World that they hadn't been exposed to in the same way the native populations were affected by diseases brought by the explorers?

by pzbogo
400-Rabbits

You may be interested in our FAQ section on Native Americans and (European) Diseases. There's also an AMA on Infectious Disease and Human Evolution over at /r/AskAnthropology going on right now.