Backstreet Boy Brian Littrell Has Swine Flu

The Backstreet Boys have been forced to cancel their New York City promotional tour because member Brian Litrell has been diagnosed with the swine flu. The other three members -- Nick Carter, Howie Dorough and AJ McLean -- have seen a doctor and are not showing any symptoms.

"We were really looking forward to spending time with our closest fans and friends in NYC... I hope we can come back soon and do everything we can to help," Litrell said in a statement Monday.

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