Ideas worth spreading

The power of herd immunity

812,227 views |

Romina Libster |

TEDxRiodelaPlata

• November 2014

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.

Read more about TEDx.

About the speaker

Romina Libster

Medical researcher

See speaker profile

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

Learn more

About TEDx

TEDx was created in the spirit of TED's mission, "ideas worth spreading." It supports independent organizers who want to create a TED-like event in their own community.

Find a TEDx event near you

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.