* New CDC data shows first-known omicron Covid patient in U.S. had symptoms starting Nov. 15 CNBC
* Omicron symptoms mostly mild or asymptomatic in US, Europe: officials Business Insider
* Omicron live updates: CDC signs off, recommends boosters for 16- and 17-year-olds msnNOW
* Omicron Covid-19 Cases in U.S. Mostly Mild So Far, CDC Data Show The Wall Street Journal
* CDC chief says omicron mostly mild so far Modern Healthcare
* View Full Coverage on Google News
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