CFU	Colony Forming Unit
DNA	Deoxyribonucleic Acid
ECDA	European Centre for Disease Prevention and Control
EFSA	European Food Safety Authority
EU	European Union
FBO	Foodborne outbreak
HPI	High-Pathogenicity Island
IL-8	Interleukin-8
ISO	International Organization for Standardization
MAPKs	Mitogen-activated protein kinases
PCR	Polymerase Chain Reaction
PFGE	Pulsed-field gel electrophoresis
pYV	Yersinia virulence plasmid
RTE	Ready-to-eat
STEC	Shiga toxin-producing Escherichia coli
T3SS	Type III Secretion System
YadA	Yersinia adhesin A protein
YopA	Yersinia outer membrane protein
Yst	Yersinia stable toxin
MLST	Multilocus sequence typing