NOVA

Tiny Tattoo Vaccines

Clip: Season 41 Episode 14 | 5m 52s

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

Rating: TV-PG

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