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In Senegal, violent delinquency and illicit drug use are on the increase. This study focuses on two distinct groups: drug users (DUs) undergoing rehabilitation and violent ex-offenders (VEs). The methodology adopted includes a quantitative survey of the general population (n=1009), followed by a qualitative survey of fifteen participants, including eight DUs undergoing treatment at the Centre de prise en charge intégrée des addictions de Dakar (CEPIAD) (Integrated Addictions Management Center of Dakar) and the Centre Jacques Chirac de Thiaroye, and seven former VEs from the Grand Yoff district.

Metallization of the C60/Rh(100) interface revealed by valence photoelectron spectroscopy and density functional theory calculations.

The electronic structure of single and multiple layers of C(60) molecules deposited on a Rh(100) surface is investigated by means of valence photoemission spectroscopy and density functional theory calculations. The binding of the fullerene monolayer to the metal surface yields the appearance of a new state in the valence band spectrum crossing the Fermi level. Insight into the metallization of the metal/fullerene interface is provided by the calculated electronic structure that allows us to correlate the measured interface state with a strong hybridization between the Rh metal states and the highest and lowest molecular orbitals.

Rift Valley fever outbreak with East-Central African virus lineage in Mauritania, 2003.

In October 2003, 9 human cases of hemorrhagic fever were reported in 3 provinces of Mauritania, West Africa. Test results showed acute Rift Valley fever virus (RVFV) infection, and a field investigation found recent circulation of RVFV with a prevalence rate of 25.5% (25/98) and 4 deaths among the 25 laboratory-confirmed case-patients.

Crimean-Congo hemorrhagic fever, Mauritania.

From February to August 2003, 38 persons were infected with Crimean-Congo hemorrhagic fever (CCHF) virus in Mauritania; 35 of these persons were residents of Nouakchott. The first patient was a young woman who became ill shortly after butchering a goat. She transmitted the infection to 15 persons in the hospital where she was admitted and four members of her family.