J&J says its one-shot Covid vaccine is 72% effective in the U.S., but less potent in other regions

J&J says its one-shot Covid vaccine is 72% effective in the U.S., but less potent in other regions This is a developing news story. Please check back for updates: https://www.cnbc.com/2021/01/29/covid-vaccine-jjs-one-shot-drug-is-72percent-in-the-us-but-less-effective-elsewhere.html Follow @CNBCnow for breaking news and real-time market updates Unsubscribe Manage Newsletters Terms of Service Join the CNBC Panel   Digital Products Feedback Privacy Policy CNBC Events   © 2021 CNBC LLC. All rights reserved. A property of NBCUniversal. 900 Sylvan Avenue, Englewood Cliffs, NJ 07632 Data is a real-time snapshot *Data is delayed at least 15 minutes. Global Business and Financial News, Stock Quotes and Market Data and Analysis. Data also provided by THOMSON REUTERS