Tiny Tattoo Vaccines
Clip: Season 41 Episode 14 | 5m 52s | Video has closed captioning.
The world can be a dangerous place, full of foes large and little. Take deadly infectious diseases. Host David Pogue considers a new kind of vaccine that might save millions of lives, while eliminating the need for refrigeration and scary needles.
Aired: 08/11/14
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Problems Playing Video? | Closed Captioning