User blog comment:Raul123alin/My theory about the origin of the titans/@comment-9096809-20130813071553/@comment-173.209.212.237-20140717010017

The thing is i agree because the virus could attack a certain strand of DNA. That strand then would mutate because of a effect that the virus. If the person were not to have that strand well they will walk around with it not knowing they have it, but then pass it to a friend with a handshake or a hug. So the thing is that strand of DNA may be the strand that people have that dilike the exsistance of humanity