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The power of herd immunity

TED,

DESCRIZIONE

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.)"

DETTAGLI

LINGUA : inglese
LICENZA : CC-BY-NC-ND 4.0
TAG : tag: health , health care , illness , medicine , Virus
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