World News Tonight
@ABCWorldNews
The official Twitter account for @ABC's World News Tonight with @DavidMuir.
29-10-2009 19:21:20
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As summer turns to fall, the CDC is monitoring a new COVID omicron variant raising concerns over its mutations. Jaclyn Lee has the latest on what scientists are saying about the updated COVID boosters, expected to be available in just a few weeks. trib.al/iIxNuiw