Objective: To appreciate the level of knowledge of the PS of the HGR of Bagira on the accidents of exhibition to blood (AES), to Determine the frequency, the type and the circumstances of exhibition at the PS and to Inventory the protective materials against the AES existing to the HGR of Bagira. Materials and methods: A transverse descriptive survey has been led on 31 PS of the HGR of Bagira, active of the February to the June 2015. A questionnaire of investigation has been addressed to the PS. The spoliation of the results and the analysis of given them has been achieved thanks to the calculator MS Excel and the software Epi Info, version 3.5.1. The average, the frequency, the percentage and the test of Chi-Square have been used and the doorstep of significance has been fixed to a p value <0, 05. Results: The level of knowledge of PS is raised very. The frequency of the AES is of 22, 6%. The percutaneous splatters represented (71, 4%) and occurred at the time of the care (96,8%), to the Laboratory, to the Motherhood and to the operative block. Some protective materials exist: glasses, boots or hooves, masks, muffler, gloves, shirts, medical and other blouses. Conclusion: The weak rate of contamination by the HIV to the HGR of Bagira at the time of the AES is explained by a level of knowledge very elevated of the PS, the availability of the antiretrovirus to take in case of post exhibition and the good use of the protective materials.