William H. Lewis has been associated with North African affairs since 1952. He conducted his doctoral research in the area under Ford Foundation sponsorship and has since held appointments in the Department of State and in the academic communityUniversity of Michigan, Georgetown University, and Johns Hopkins. Dr. Lewis has coauthored a number of books on Middle Eastern and African affairs and i...

Based on mitochondrial 16S rRNA sequences, we suggest that the founder individuals of the introduced Greek population of Chamaeleo africanus originated in the Nile Delta region of Egypt. In Ch. chamaeleon, we discovered in the eastern Mediterranean new 16S rRNA haplotypes, being highly distinct from previously published western Mediterranean haplotypes. Eastern Mediterranean haplotypes were fou...

The aim of this study is to estimate the prevalence of Toxoplasma gondii infection in 527 sheep from 4 governorates of Tunisia by Elisa (350 animals) and PCR (177 animals). The seroprevalence in sheep was estimated to be 1.8% (N = 166) in the governorate of Siliana (North Tunisia) and 19% (N = 184) in the governorate of Kasserine (Central Tunisia) with a commercial Elisa kit. T. gondii DNA was ...

Abstract Argania spinosa L. Skeels is an Algerian-Moroccan endemic tree. This species part of various plant communities consisting Mediterranean, Macaronesian and Saharan floristic elements. It has been introduced perhaps sometimes naturalized in regions the Mediterranean basin. Due to its role combating desertification, high socio-economic value, traditional use as fodder food, southwestern Mo...

Determining the most likely source of an invasive pest species might help to improve their management by establishing efficient quarantine measures and heading the search of efficient biological control agents. Planococcus ficus is an invasive mealybug pest of vineyards in Argentina, California, Mexico, Peru and South Africa. This mealybug pest had a previously known geographic distribution spa...

1Department of Epidemiology, University Hospital Farhat Hached Sousse, Tunisia 2Department of Pediatrics, University Hospital Farhat Hached Sousse, Tunisia 3World Health Organization Office Eastern Mediterranean Region, Non-Communicable Diseases Management Unit, Cairo, Egypt 4Pediatric Cardiology Unit, Department of Child and Adolescent University Hospitals of Geneva, University of Geneva, Gene...