Shaun's stepfather needs hours to turn into a Zombie; Shaun's mother, only an hour or so; Ed, only several minutes. * No, it can be explained by Max Brook's Hypothesis; there are different rates of "burn" which is regulated by where you are bitten. We never see where Phillip is originally bitten, but after he is bitten in the shoulder he only lasts (+ -) as long as Ed whereas Shaun's Mother is bitten in the wrist so she can last a while, but not to long. * Phillip's comment of "I ran it under a cold tap" and his sling would imply that the bite was on his hand or arm. * It's possible that the rate of zombification is different for different people. * Yeah. Maybe it's based on metabolism or blood type. * In addition to the above, while Barbara and Phillip got relatively