Immunologist on why mixing different COVID-19 boosters is not yet a good idea.

As the Food and Drug Administration prepares to review COVID-19 booster data from Johnson and Johnson and Moderna this week, other clinical trials are studying the potential of mixing doses of two different vaccines. Immunologist Dr. John Wherry joined CBSN to discuss why this is not yet a good idea.

CBSN is CBS News’ 24/7 digital streaming news service featuring live, anchored coverage available for free across all platforms. Launched in November 2014, the service is a premier destination for breaking news and original storytelling from the deep bench of CBS News correspondents and reporters. CBSN features the top stories of the day as well as deep dives into key issues facing the nation and the world. CBSN has also expanded to launch local news streaming services in major markets across the country. CBSN is currently available on CBSNews.com and the CBS News app across more than 20 platforms, as well as the Paramount+ subscription service.

Subscribe to the CBS News YouTube channel: youtube.com/cbsnews​
Watch CBSN live: cbsn.ws/1PlLpZ7c​
Download the CBS News app: cbsn.ws/1Xb1WC8​
Follow CBS News on Instagram: www.instagram.com/cbsnews/​
Like CBS News on Facebook: facebook.com/cbsnews​
Follow CBS News on Twitter: twitter.com/cbsnews​
Subscribe to our newsletters: cbsn.ws/1RqHw7T​
Try Paramount+ free: bit.ly/2OiW1kZ

For video licensing inquiries, contact: licensing@veritone.com

Watch video on channel "CBS News"
London Calling: COVID cases rising in U.K.

London Calling: COVID cases rising in U.K.

While infection rates rise, many people in the United Kingdom are suffering from another condition: pandemic fatigue. CBS News contributor Simon Bates explains in this installment of "London Calling." CBSN is CBS News’ 24/7 digital streaming news ...

FDA authorizes J&J and Moderna booster shots ahead of CDC panel meeting.

FDA authorizes J&J and Moderna booster shots ahead of CDC panel meeting.

The FDA has authorized COVID-19 booster shots for some recipients of the Johnson and Johnson and Moderna vaccines. But as Nikki Battiste reports, the agency says eligible Americans can get any brand of booster, regardless of the shot they initiall...

Biden pushes infrastructure plan in Pennsylvania as Democrats near deal on spending bill.

Biden pushes infrastructure plan in Pennsylvania as Democrats near deal on spending bill.

President Biden visited Scranton, Pennsylvania, on Wednesday to promote key aspects of his economic agenda to working class Americans. Back in Washington, Democrats are inching closer to an agreement on a spending bill for investments in social an...

President Biden outlines new spending bill framework.

President Biden outlines new spending bill framework.

President Biden presented a new version of his social and climate spending bill, pointing out which parts of the original bill can stay and which parts must go. Plus, Senate Republicans blocked a voting rights bill again. CBS News congressional co...

House committee recommends charging Steve Bannon with criminal contempt.

House committee recommends charging Steve Bannon with criminal contempt.

The House January 6 committee voted to recommend charging former Trump adviser Steve Bannon with criminal contempt. Members questioned whether Bannon can claim executive privilege since he did not work in the White House at the time of the insurre...