SciShow: What Does a 95% Effective Vaccine Really Mean?

Teacher or professor: SciShow
Subject: Science
Content of the Lesson: SciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription. If you've received a vaccine that's 95% effective, that does not mean you have a 5% chance of getting sick. That’s just not how the numbers are calculated. So let’s take a closer look at how it does work, why we can’t compare these numbers between different vaccines, and why that’s ok. COVID-19 News and Updates Playlist: https://youtube.com/playlist?list=PLsNB4peY6C6IQediwz2GzMTNvm_dMzr47 Hosted by: Stefan Chin SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Silas Emrys, Drew Hart, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Christopher R Boucher, Eric Jensen, Adam Brainard, Nazara, GrowingViolet, Ash, Laura Sanborn, Sam Lutfi, Piya Shedden, KatieMarie Magnone, charles george, Alex Hackman, Chris Peters, Kevin Bealer, Alisa Sherbow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.nejm.org/doi/full/10.1056/NEJMoa2034577 https://www.nejm.org/doi/full/10.1056/NEJMoa2035389 https://www.cdc.gov/vaccines/basics/test-approve.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2536484/ https://clinicaltrials.gov/ct2/show/NCT04505722 https://www.cdc.gov/coronavirus/2019-ncov/vaccines/different-vaccines/janssen.html https://www.thelancet.com/article/S1473-3099(20)30773-8/fulltext https://www.cnbc.com/2021/02/28/fauci-all-three-covid-vaccines-highly-effective-urges-people-to-take-available-shot.html https://www.nytimes.com/2021/01/29/health/Covid-vaccine-explainer.html https://www.cdc.gov/coronavirus/2019-ncov/vaccines/effectiveness.html https://www.nature.com/articles/s41591-021-01230-y Images: https://www.istockphoto.com/photo/covid-19-coronavirus-vaccine-vials-in-a-row-macro-close-up-gm1253358164-366005110 https://www.istockphoto.com/photo/irus-covid-19-vaccine-bottle-sars-cov-2-vaccine-batch-3d-rendering-4k-gm1250100089-364498780 https://www.istockphoto.com/photo/pattern-of-vaccine-bottles-against-covid-19-with-injection-fluid-3d-ilustration-gm1293494686-387884983 https://www.istockphoto.com/photo/team-of-medical-staff-in-personal-protective-equipment-walking-in-hospital-corridor-gm1221364621-357980003 https://www.istockphoto.com/photo/a-medical-hand-in-a-glove-holds-an-ampoule-with-a-vaccine-and-a-syringe-with-gm1216812369-354959657


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