the causative agent of the disease must be sought and found. Its characteristics such as the drugs that can treat the survival adaptation and host characteristics that make him or her vulnerable to the condition are important for an easy target during the process of disease eradication. It is through research along the doctrine of specific etiology that some of the diseases that their causes were previously unknown have been currently identified as well as their possible treatment and cure. Known examples are cancers and other diseases with a genetic predisposition. The sociological model does not factor in specific etiology