Ideas worth spreading

The power of herd immunity

807,806 views | Romina Libster • TEDxRiodelaPlata

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 English subtitles)

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 English subtitles)

This talk was presented to a local audience at TEDxRiodelaPlata, an independent event. TED's editors chose to feature it for you.

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About the speaker

Medical researcher

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Dr. Romina Libster investigates influenza and other respiratory viruses, searching for ways to most effectively keep viruses from spreading.

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This talk was presented to a local audience at TEDxRiodelaPlata, an independent event. TED's editors chose to feature it for you.

Read more about TEDx.