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WASHINGTON — The Omicron variant of the coronavirus is much less likely to cause hospitalization and death than the earlier Delta variant, a study released by the Centers for Disease Control and Prevention finds, confirming to a dramatic degree predictions some virologists have been making since the now dominant variant first appeared in southern Africa.
The findings provided “key insight” into how the newest variant operates, CDC Director Rochelle Walensky said as she introduced the data, which came from a study of both Omicron and Delta infections throughout Southern California. The study found that, as compared with the Delta variant, Omicron resulted in a
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