You are using an older browser version. Please use a supported version for the best MSN experience.

Moderna and Pfizer COVID vaccines shown to be effective against variants

New data shows both the Moderna and Pfizer vaccines have promising results against COVID-19 variants. John Moore, a professor of microbiology and immunology at Weill Cornell Medical College, joins CBSN's Tanya Rivero for more on the efficacy of COVID vaccines.



More From CBS News

image beaconimage beaconimage beacon