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Ardern has been forced to abandon her wedding plans, which reportedly included a performance by the singer Lorde, because of an outbreak of the omicron coronavirus variant.
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One airline says it may need to fly 18,000 "poorly booked" flights this winter — a figure the E.U. disputes.
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Monitoring the Pandemic
A series of graphics tracking U.S. covid-19 cases, deaths and vaccination rates
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