US reports 1st case of omicron variant in returning traveler
By ZEKE MILLER, OLGA R. RODRIGUEZ and MICHAEL BALSAMO Associated Press SAN FRANCISCO (AP) — The U.S. identified its first known case of the omicron variant Wednesday — in a vaccinated traveler returning to California from South Africa — as scientists around the world raced to establish whether the new, mutant version of the coronavirus
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