Why Some Countries Are Delaying COVID Booster Shots

Some countries are planning to wait up to 12 weeks to administer second doses of COVID-19 vaccines. Will this slow the virus? CoVID-19 News & Updates playlist: Hosted by: Hank Green SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at ---------- Support SciShow by becoming a patron on Patreon: ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Silas Emrys, Jb Taishoff, Bd_Tmprd, Harrison Mills, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, charles george, Alex Hackman, Chris Peters, Kevin Bealer ---------- Looking for SciShow elsewhere on the internet? Facebook: Twitter: http://ww