"The reality is these vaccines have been used in hundreds of millions of people," Dr. Scott Gottlieb told CNBC, adding there's already a robust data set.
New York's Excelsior Pass lets you find and store your proof of vaccination right on your phone with a QR code, sort of like a boarding pass for an airplane.
Amazon has launched two programs as part of an effort to give products a second life when they get returned to businesses that sell items on its platform.
J&J recipients can make a special request to get a "supplemental dose" of an mRNA vaccine, San Francisco health officials said Tuesday in a statement to CNBC.
Get complete CNBC business news coverage online. Find the latest regional business news pertaining to the United States of America including headlines & top stories available on the official CNBC site.