Why South Africa Sounded the Alarm Over Omicron

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By The Wall Street Journal. Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio is streamed directly from their servers. Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps.
On Friday, the World Health Organization labeled a new variant of the coronavirus, called Omicron, as a variant of concern. WSJ's Gabriele Steinhauser explains how scientists in South Africa noticed it so quickly, and what's known about Omicron so far.

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