A master's thesis at the faculty of since at the University of Basrah (Genotypic Characterization of Bacteria Isolated from Intensive Care Units in Basrah Hospitals), and showed the researcher's thesis (Aymen Wasfi Dhahir). Thesis aims to isolate bacteria from the intensive care unit, diagnose its phenotype and test drug sensitivity to it and included Isolating samples from the intensive care unit (environmental, patient samples) for several hospitals in Basra and conducting the necessary tests on them for diagnostic purposes and testing their sensitivity to antibiotics and the study recommended (use strict cleaning and hygienic practices to prevent distribution of multidrug resistant bacteria bacterial in ICU and  hospitals environment).