The winner of the 2012 “B A Hero” Hepatitus B Public Service Ad (PSA) video contest was announced, and the above video by Isaac Mejia is the winner. The runner-up is this one by Josh Prasad, and the other finalist is this one by Holvin Louie. For those who don’t know, Hepatitis B is an incurable liver infection that affects one in ten Asian Americans and kills one out of four of those infected. It can be prevented through vaccination and avoidance of the bodily fluids of infected people. For more information, see the Hepatitis B Foundation website.