Human resources for health are essential to the achievement of the Millennium Development Goals by the national health systems. In low-income countries, the current situation of health human resources is characterized by a deficiency of qualified personnel and an inequity in the distribution of existing staff. In these countries, the imbalance observed in human resources is between public and private sectors, urban and rural poor areas. It is affected by various factors, including the mobility of staff due to searching of better living and working conditions and opportunity to improve their income. To address this issue, several strategies of recruitment and retention of the staff in the underserved areas were already experimented by west African country. What is the impact of these policies in reducing inequality of distribution of health personnel? The communications off this proposed session are results of evaluations of strategies to reduce health resource shortest in 5 fives west African countries: Benin, Burkina Faso, Niger, Senegal. This session will be a space of exchanges and discussion around the lessons learn from these different strategies. Others oral presentations could be chosen among abstracts which allow comparison.