• Video
  • Shop
  • Culture
  • Family
  • Wellness
  • Food
  • Living
  • Style
  • Travel
  • News
  • Book Club
  • GMA3: WYNTK
  • 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
  • © 2025 ABC News
VIDEO: Can COVID-19 vaccines reduce transmissibility of the virus?
2:15
  • news
  • December 27, 2020

Can COVID-19 vaccines reduce transmissibility of the virus?

Dr. Ashish Jha, dean of the Brown University School of Public Health, discusses the latest on coronavirus.

Up Next in news

Are new COVID-19 variants already in US?

Are new COVID-19 variants already in US?

December 26, 2020
VIDEO: Extreme heat expected for Grand Canyon fire zone

Extreme heat expected for Grand Canyon fire zone

July 14, 2025
VIDEO: Northeast storms and outlook for roads, air travel

Northeast storms and outlook for roads, air travel

July 2, 2025

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

© 2025 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— 

© 2025 ABC News