Caccine-derived polio spreads in Africa after defeat of wild virus. There has been a new polio outbreak in Sudan that has been linked to oral polio vaccine. The virus will never be truly gone due to the rumors of the vaccine being a political stunt that it contains contaminates that would hurt people. The lack of knowledge of this disease shows us that it will never be eradicated. The virus spreads through fecal matter to the mouth and into the intestines. There are rumors that the vaccine can cause diseases such as HIV and AIDS.