Because chickenpox is a virus, it makes your face and body have a red and itchy look. People get varicella-zoster virus, which is a kind of germ. Chickenpox is also called varicella-zoster, but it isn't the only thing that has that name. Most people will get chickenpox when they're young if they haven't had a chickenpox vaccine when they were younger.   When a child has chickenpox, it is...