Doctors warn of "second wave" of the flu

Though it may not feel like it everywhere yet, the calendar says spring is here. But that doesn't mean we're out of the woods when it comes to this year's nasty flu season, experts warn.Flu season peaked in February and the majority of the country has finally seen a dramatic decrease in flu activity. However, flu seasons have long tails and doctors expect to see cases even in May.This year's flu season was particularly rough and appeared to hit children harder than usual. The virus has been resp