Question

Why was Influenza virtually unknown to aboriginal natives of the Americas spread by the earliest Spanish explorers?

a) the natives didn't come in contact with the Spanish
b) the natives were immune.
c) the Americas lacked swine which served as an incubation reservoir for the disease.

Answer 1

C

Step-by-step explanation:

Swines (pigs) were not native Americas. This means that the Natives were not used to the influenza. The Spanish brought pigs along with them.