Explosive increase of multiresistant Salmonella Typhimurium DT104 in 2001 in the Netherlands

From September 2000 and up until the end of that year, the national salmonella centre at the Rijksinstituut voor Volksgezondheid en Milieu (RIVM, the National Institute of Public Health and the Environment) has noted an explosive increase of isolates of Salmonella enterica subspecies enterica serovar Typhimurium definitive phage type (DT) 104 from humans, which has since plateaued at a level double that of previous years (1).