CCL	C-C motif ligand
CFU	Colony forming unit
CNS	Central nervous system
CSF	Cerebrospinal fluid
CXCL	C-X-C motif ligand
EA	Eurasia
ELISA	Enzyme-linked immunosorbent assay
HPS	Hematoxylin phloxine saffron
IL	Interleukin
IFN	Interferon
MLST	Multilocus sequence typing
MOI	Multiplicity of infection
NA	North America
p.i.	Post-infection
PBS	Phosphate-buffered saline
SEM	Standard error of the mean
ST	Sequence type
THA	Todd-Hewitt broth agar
THB	Todd-Hewitt broth
TNF	Tumor necrosis factor