The slum dwellers of Karachi, constituting 40 per cent of its total population, are being provided with an usual deliverance against diseases they are quite vulnerable to. Mujahid Colony, a local slum cluster comprising 4,000 household and inhabited by different ethnic and lingual groups, has been adopted as a role model project, where some 6000 below five year children have been identified to be provided with regular vaccination against six killer diseases, including measles, tetanus, polio, whooping cough, meningitis and diphtheria.