“…Salmonella serotype 4,5,12:i:Ϫ was the sixth most common Salmonella serotype among cases of human disease in the United States in 2006 (10) and the fourth most common serotype among human isolates in Spain in 1998 (18). Overall, the prevalence of Salmonella serotype 4,5,12:i:Ϫ among human cases has increased considerably in many countries in the world over the last 10 years (9,10,18,29,36). This Salmonella serotype has also been responsible for a number of human salmonellosis outbreaks over the last decades, including in Spain (1998), the United States (2004 and 2007), and Luxemburg (2006).…”