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
Your Privacy Choices
Contact Us
Recalls and Product Safety Alerts
© 2026 ABC News

VIDEO: How were Pfizer and Moderna able to develop a COVID-19 vaccine so quickly?

1:40

gma3
November 23, 2020

How were Pfizer and Moderna able to develop a COVID-19 vaccine so quickly?

Dr. Jen Ashton answers viewers’ coronavirus questions.

Up Next in news

Surgeon general discusses White House holiday party, vaccines

Surgeon general discusses White House holiday party, vaccines

November 23, 2020

VIDEO: French protests as hundreds of schools partially shut down this week

French protests as hundreds of schools partially shut down this week

October 7, 2026

VIDEO: How abandoned mines across America are wreaking havoc on homeowners

How abandoned mines across America are wreaking havoc on homeowners

October 6, 2026

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
Your Privacy Choices
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
Recalls and Product Safety Alerts

© 2026 ABC News

Privacy Policy—
Your US State Privacy Rights—
Children's Online Privacy Policy—
Interest-Based Ads—
Terms of Use—
Your Privacy Choices—
Contact Us—
Recalls and Product Safety Alerts—

© 2026 ABC News