Channel: Brian Swarthout

Category: Education

Tags: effectivenesscalculate vaccine efficacyefficacy meaningvaccine efficacy explainedvaccine efficacystep by step scienceefficacycovid 19 vaccinecovid 19 vaccine efficacyvaccine effectivenesscovid 19 vaccine effectivenessvaccine efficacy equationefficacy vs effectivenesscovid 19vaccine efficacy and effectiveness

Description: In this video Olivia Swarthout clears up the confusion between 95% effectiveness and efficacy for Pfizer’s COVID-19 vaccine. She explains the mathematics of calculating vaccine efficacy and the difference between efficacy and effectiveness for the COVID-19 vaccine. Social Media for Step by Step Science: Teachers Pay Teachers Store: tinyurl.com/y6d2cdfj Instagram: instagram.com/stepbystepscience101 Website: stepbystepscience.com Blog: stepbystepscience.com/blog Link Tree: linktr.ee/stepbystepscience Link for sharing this video: youtu.be/BAugOo7hOuE Support my channel by doing all of the following: (1) Subscribe to get all my excellent physics, chemistry and math videos. (2) Give me a thumbs up for this video. (3) Leave me a nice positive comment. (4) Share is Caring, sharing this video with all of your friends. Music Credits: Song: MBB - Bora Bora Music provided by Vlog No Copyright Music. Creative Commons - Attribution-ShareAlike 3.0 Unported Video Link: youtu.be/53ZjQWNfBcI Chapters 0:00 COVID-19 95% Efficacy 0.39 Pfizer 95% Efficacy 1:06 What is a placebo? 1:45 Calculating Risk Percentage 3:15 Calculating 95% Efficacy 4:15 Scaling for US Population 5:05 Efficacy vs Effectiveness 7:45 Don't Forget