Table A1.

List of Abbreviations.

Abbreviation	Explanation
APC	antigen-presenting cells
CEO	clove essential oil
COX-2	cyclooxygenase
DTH	delayed-type hypersensitivity
EE	eugenol emulsion
EEO	eucalyptus essential oil
EO	essential oil
HO-1	heme oxygenase-1
IFNγ	interferon-γ
IL	interleukin
iNOS	inducible nitric oxide synthase
IκB	inhibitor of κB kinase
LEO	lavender essential oil
LPS	lipopolysaccharide
MAC	Melaleuca alternifolia concentrate
MDM	monocyte-derived macrophages
MUC5B	gel-forming mucin
NFκB	nuclear factor kappa-light-chain-enhancer of activated B-cells
NLR	nod-like receptor
NO	nitric oxide
Nrf2	NF-E2-related factor 2
p38 MAPK	p38-mitogen-activated protein kinase
PPAR	peroxisome proliferator-activated receptor
SRBC	sheep red blood cells
TNFα	tumor necrosis factor α
TREM-1	triggering receptor expressed on myeloid cells
TTO	tea tree oil
VL	visceral leishmaniasis
WBC	total white blood cell count