Dr Xand is bitten by a zombie!33 CommentsDr Chris and Dr Xand Van explain the science behind zombie bites in this Shocktober special!To play this video you need to enable JavaScript in your browser.This video can not be playedHalloween on CBBCCheck out everything Halloween on CBBC. Play the best Halloween games and quizzes. Choose a hauntingly cool Halloween costume. Make spooktacular decorations and food. Related topicsOperation Ouch!
