Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-24617858-20140302112117/@comment-24439517-20140302124258

Because a Kanima doesn't seek a pack like a Werewolf, any person that doesn't feel like they have a family or group and is bitten feels like they don't deserve a pack so they seek a master and ultimately turn into a different creature. Jackson was adopted and didn't know his real parents so he felt like he needed a master to tell him what to do (like a parent). When he realised his friends cared about him he was cured of his Kanima side and transitioned into a Werewolf.