Romina Libster: The power of herd immunity
TED.com
Education
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How do vaccines prevent disease — even among people too young to get vaccinated? It's a concept called "herd immunity," and it relies on a critical mass of people getting their shots to break the chain of infection. Health researcher Romina Libster shows how herd immunity contained a deadly outbreak of H1N1 in her hometown. (In Spanish with subtitles.)
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- Internet Archive, in TED Talks
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- CC BY-NC-ND 3.0, as the Internet Archive states it.
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- TED.com
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