*Specificity and sensitivity from scientific study: “Evaluation of a new chromogenic medium CHROMagarTM Salmonella Plus for the detection of Salmonella species including lactose positive Salmonella, S.Typhi and S.Paratyphi” de Beaumont C., Breuil J., Dedicova D., Tran Q. 2006. Poster presented during ECCMID meeting.