• Video
  • Shop
  • Culture
  • Family
  • Wellness
  • Food
  • Living
  • Style
  • Travel
  • News
  • Book Club
  • Newsletter
  • Privacy Policy
  • Your US State Privacy Rights
  • Children's Online Privacy Policy
  • Interest-Based Ads
  • Terms of Use
  • Do Not Sell My Info
  • Contact Us
  • © 2026 ABC News
1:15
  • ABC News
  • September 3, 2021

Delta variant is mutation before our eyes

"It's the biggest experiment that's ever happened."

Up Next in news

Justice Barrett rejects Indiana University students' COVID vaccine mandate appeal

Justice Barrett rejects Indiana University students' COVID vaccine mandate appeal

August 13, 2021
For businesses, NYC indoor vaccine mandate means safety -- and headaches

For businesses, NYC indoor vaccine mandate means safety -- and headaches

August 17, 2021
Short-staffed hospitals battling COVID surge after opting not to staff up

Short-staffed hospitals battling COVID surge after opting not to staff up

August 13, 2021

The latest lifestyle and entertainment news and inspiration for how to live your best life - all from Good Morning America.
  • Contests
  • Terms of Use
  • Privacy Policy
  • Do Not Sell My Info
  • Children’s Online Privacy Policy
  • Advertise with us
  • Your US State Privacy Rights
  • Interest-Based Ads
  • About Nielsen Measurement
  • Press
  • Feedback
  • Shop FAQs
  • ABC News
  • ABC
  • All Videos
  • All Topics
  • Sitemap

© 2026 ABC News
  • Privacy Policy— 
  • Your US State Privacy Rights— 
  • Children's Online Privacy Policy— 
  • Interest-Based Ads— 
  • Terms of Use— 
  • Do Not Sell My Info— 
  • Contact Us— 

© 2026 ABC News