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: New study released on 4th COVID vaccine dose

1:46

gma3
May 10, 2022

New study released on 4th COVID vaccine dose

New data shows that antibodies surge several weeks after receiving the fourth dose. ABC News' Dr. Jen Ashton explains how long they might last.

Up Next in news

Warnings of a summer COVID surge as infections rise

Warnings of a summer COVID surge as infections rise

VIDEO: Alaska still too early to call

Alaska still too early to call

November 4, 2026

VIDEO: History made in Kansas Senate race

History made in Kansas Senate race

November 4, 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