lawsuits arguing livenation and ticketmaster need to break they allege inflated concert ticket prices were inflated illegally. for those concerned about their information online, experts say to change your password and use two-factor authentication. we turn to the growing concerns over the spread of bird flu. a third human case has been reported in the u.s., another farm worker in michigan. while officials say the risk to the general public remains low, work on vaccines is already under way. >> reporter: tonight, scientists are ramping up vaccine testing to prevent bird flu transmission between cows and people as the cdc confirms a third rare human case in the u.s. a cow likely infecting a michigan dairy worker, now the first to show respiratory symptoms like coughing. that patient now on an