What's the deal with Covid variants? How well do the different Covid vaccines protect against the several variants? Today we'll tell you about the several variants, including the Delta variant that is prevalent in the US, and we'll talk about the studies that have looked at vaccine efficacy against these variants. Related HCT episodes: Alcoholics Anonymous vs Other Treatments: https://youtu.be/aZIDCMbJZ-g Covid Vaccine Passports: https://youtu.be/aZ8evbGGERw Be sure to check out our podcast! https://www.youtube.com/playlist?list=PLkfBg8ML-gInFaYyYhKLBp2u7h5IojTw4 Other Healthcare Triage Links: 1. Support the channel on Patreon: http://vid.io/xqXr 2. Check out our Facebook page: http://goo.gl/LnOq5z 3. We still have merchandise available at http://www.hctmerch.com 4. Aaron's book "The Bad Food Bible: How and Why to Eat Sinfully" is available wherever books are sold, such as Amazon: http://amzn.to/2hGvhKw Credits: Aaron Carroll -- Writer Meredith Danko – Social Media Tiffany Doherty -- Writer and Script Editor John Green -- Executive Producer Stan Muller -- Director, Producer Mark Olsen – Art Director, Producer Eliot Rapoport - Contributing Writer #healthcaretriage #covid #deltavariant