In 2009 Sanofi-Pasteur started building a new facility in Neuville-sur-Saône (fr), a suburb of Lyon (France). This unit produces 4 serotypes vaccine for phase III trials. In september 2014 Sanofi-Pasteur CEO gave early results of the phase III trial efficacy study in Latin America. The efficacy per serotype (ST) varied widely, from 42.3% for ST2, 50.3% for ST1, 74.0% for ST3 and 77.7% for ST4. The full analysis of data from the phase III Latin American-Caribbean study will be reviewed by external experts before being published in a peer-reviewed scientific journal. Primary results has to be presented at the American Society of Tropical Medicine and Hygiene Annual Meeting, held November 2–6 2014 in New Orleans.