Return to Video

NOVA

S41 Ep14: U.S. Polio Vaccines: Then and Now

The polio vaccine's history extends more than fifty years.
  • Premiere Date: Sep 04th, 2014
  • Rating: TV-PG
Embed Video
Return to Video

S41 Ep14: U.S. Polio Vaccines: Then and Now

The polio vaccine's history extends more than fifty years. (13:47)
S41 Ep14: U.S. Polio Vaccines: Then and Now image
Width
Height
Please copy this text to your clipboard.
Share this Video
Return to Video
Buy It
Return to Video
Your purchase helps support PBS and the programs you love
    Closed Captioning Settings
    ×

    Preview

    Captions look like this

    Captions size

    • 15

    Captions font family

    Edge style

    Captions color

    Background color

    Window color

    Text Opacity

    • 100%

    Background Opacity

    • 100%

    Window Opacity

    • 0%