The Vicious Worm: A computer-based program advocating for prevention and control of Taenia solium cysticercosis – a zoonotic tapeworm disease - widespread and emerging in many low income countries due to increased pork production and bad hygiene. Available at www.theviciousworm.org + Google Play & iTunes app stores for smartphones. The Vicious Worm provides information on how to diagnose and treat the disease in both pigs and humans and its impact on people’s livelihood. Possible control and intervention strategies are provided using different ways of communication according to the audience. Information is divided in three levels, each level is designed at different target audiences: VILLAGE knowledge relevant to the people living here using animations, short stories, videos, quizzes and games. TOWN information for professionals (medical doctors, veterinarians, meat inspectors & agricultural extension officers) using videos, pictures and text. CITY concise information for key stakeholders and decision makers: a 2-page policy brief and information sheet.