Just when the Backstreet Boys are having a hectic time promoting their new album, “This Is Us”, released yesterday, they are smitten by misfortune. On Monday they issued a statement admitting that their vocalist Brian Littrell is down with H1N1. Littrell’s contracting swine flu has seriously disrupted their working schedule. The band, just back from Tokyo with plenty of engagements in New York, was forced to cancel their appearances for the next few days. Full story