https://diler.tube/videos/watch/857eb37f-e7ed-4637-aec2-df96be4e280e 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.) Author: TED Wed, 03 Jun 2026 23:18:40 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://diler.tube https://diler.tube/lazy-static/avatars/f58b270a-6076-478a-ad43-3888a532ecb4.png https://diler.tube/videos/watch/857eb37f-e7ed-4637-aec2-df96be4e280e All rights reserved, unless otherwise specified in the terms specified at https://diler.tube/about and potential licenses granted by each content's rightholder.