New CDC data shows first-known omicron Covid patient in U.S. had symptoms starting Nov. 15
The change in the infection timeline means the omicron Covid variant arrived in the U.S. earlier than first thought.
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The change in the infection timeline means the omicron Covid variant arrived in the U.S. earlier than first thought.
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/cloudfront-us-east-2.images.arcpublishing.com/reuters/EAQCN73VXJJPDOZA52TWMM2Z5E.jpg "Pentagon chief seeks to reassure concerned Middle East allies")
