Babbage: Omicron and on

Countries are scrambling to stop the Omicron variant of the coronavirus. We search for scientific clues to understand how it will shape the pandemic. Professor Sharon Peacock, one of the world’s top variant hunters, predicts Omicron will be more transmissible than previous strains. And, will Omicron supplant the Delta variant globally? Correspondent Hal Hodson looks to immunology for answers.

Alok Jha hosts, with The Economist’s health policy editor, Natasha Loder and deputy editor, Edward Carr.

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