© 2025 Michigan State University Board of Trustees
Public Media from Michigan State University
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations

VIDEO: When Humans Got Cozy, Germs Got Deadly

Humans get along pretty well with most microbes. Which is lucky, because there are a lot more of them in the world than there are of us. We couldn't even live without many of them. But a few hundred have evolved, and are still evolving, to exploit our bodies in ways that can make us really sick. These are the microbes we call germs. Think plague, flu, HIV, SARS, Ebola, Zika, measles.

This is a series is about where germs come from. In this first of three episodes, we see what our early encounters with germs may have been like — and how germs first got the upper hand.

Next up: Episode 2: The Golden Age of Germs

Copyright 2021 NPR. To see more, visit https://www.npr.org.

John Poole is a senior visuals editor at NPR. He loves working with talented people and teams to create compelling stories that resonate with the 40 million people who visit NPR's digital platforms each month.
Xaver Xylophon
Every WKAR News story you read is rooted in fact-based, local journalism, produced without commercial influence and available for free to everyone in mid-Michigan. No paywalls. Ever.

But this work doesn’t fund itself. With significant cuts to federal funding, public media is facing a critical moment. If you believe in journalism that serves the public interest, now is the time to act. Donate today.