Here’s what you need to know about the Omicron variant

Vaccine
A dose of a Pfizer COVID-19 vaccine is prepared at Lurie Children's hospital, Nov. 5, 2021, in Chicago. Nam Y. Huh/Associated Press
Vaccine
A dose of a Pfizer COVID-19 vaccine is prepared at Lurie Children's hospital, Nov. 5, 2021, in Chicago. Nam Y. Huh/Associated Press

Here’s what you need to know about the Omicron variant

A new strain of COVID-19 has been discovered in at least 15 different countries. Reset checks in with a science reporter to get the latest on how the U.S. should prepare for the arrival of the new variant.

GUEST: Apoorva Mandavilli, New York Times science and global health reporter