iNKT	Invariant natural killer T
TCR	T cell receptor
MHC	Major histocompatibility complex
MAIT	Mucosal-associated invariant T
α-GalCer	α-galactosylceramide
DC	Dendritic cell
APC	Antigen-presenting cell
PRR	Pattern recognition receptor
PAMP	Pathogen-associated molecule pattern
IAV	Influenza A viruses
IAV-S	Swine influenza A virus
NP	Nucleoprotein
M1 or M2	Matrix protein 1 or 2
LAIV	Live attenuated influenza virus
TLR	Toll-like receptor
ILC	Innate lymphoid cell
IFNγ	Interferon gamma
BALF	Bronchoalveolar lavage fluid
TBLN	Tracheobronchial lymph node
CLN	Cervical lymph nodes
MLN	Mesenteric lymph nodes
PLZF	Promyelocytic leukaemia zinc finger protein
PMA	Phorbol myristate acetate
IL	Interleukin
TGF-β	Transforming growth factor beta
GM-CSF	Granulocyte-macrophage colony-stimulating factor
IgG	Immunoglobulin G
PR8 HA	H1N1 strain A/Puerto Rico/8/34 hemagglutinin
i.n.	Intranasal
NALT	Nasal-associated lymphoid tissue
CTL	Cytotoxic T lymphocyte
SLP	Synthetic long-peptides
OVA	Ovalbumin
i.p.	Intraperitoneal
s.c.	Subcutaneous
i.m.	Intramuscular
i.v.	Intraveneous
CFA	Complete Freund’s Adjuvant
IDO	Indoleamine 2,3-dioxygenase
HEL	Hen egg lysozyme
UV	Ultraviolet
VAERD	Vaccine-associated enhanced respiratory disease