
Viruses: Herd Immunity, and I don’t mean cows
Clip: Special | 1m 5sVideo has Closed Captions
What is herd immunity?
You may have heard the phrase “Herd Immunity.” What does it mean and why is it important in keeping all of us healthy when viruses are making us sick.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
Science Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by Sparklight, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.

Viruses: Herd Immunity, and I don’t mean cows
Clip: Special | 1m 5sVideo has Closed Captions
You may have heard the phrase “Herd Immunity.” What does it mean and why is it important in keeping all of us healthy when viruses are making us sick.
Problems playing video? | Closed Captioning Feedback
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Science Trek
Science Trek is a place where parents, kids, and educators can watch short, educational videos on a variety of science topics. Every Monday Science Trek releases a new video that introduces children to math, science, technology, engineering, and math (STEM) career potentials in a fun, informative way.Support for PBS provided by:
Science Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by Sparklight, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.