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The research conducted by Taher and Abdelhai (2011) was divided into three phases: in the first phase, the two nursing groups were asked to complete a questionnaire (p.145). During the ‘health education intervention’ (p.145) that followed, nurses were given material related to HIV. After the completion of the above program, nurses were asked to complete another questionnaire (p.145). The comparison of the pre-session and after-session questionnaires helped the researchers to identify the role of IEC programs in controlling the expansion of HIV among nurses. It was proved that the intervention led to the increase of awareness of nurses in regard to HIV. An important increase of the general knowledge score was reported: From 7.29 before the intervention to 8.01 after the intervention (p.146). Also, undergraduates seemed to be more benefited by the intervention than the postgraduate nurses (p.146). The IEC programs can be effective in controlling the expansion of HIV within various social groups.