Long before Columbus, seals brought tuberculosis to South America

Marine mammals may have carried TB bacterium across the ocean

South American fur seals

CARRIERS  Seals, like the South American fur seals shown, may have given tuberculosis to people in Peru before European explorers brought the disease to the Americas.

Ricardo Bastida

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Genetics

From the Nature Index

Paid Content