The holidays are here and so is the Omicron variant of COVID-19.

Science reporter Ivan Semeniuk on what the latest science says about how Omicron is different from other variants like Delta, in three important ways: its transmissibility, how well it can escape the vaccines we have now, and how sick it can make us.

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.