T cells	T lymphocytes
B cells	B lymphocytes
NK cells	Natural killer cells
SARS-CoV-2	Severe acute respiratory syndrome coronavirus-2
EBOV	Ebola virus
HIV	Human immunodeficiency virus
MERS-CoV	Middle east respiratory syndrome coronavirus
SARS-CoV	Severe acute respiratory syndrome coronavirus
FIPV	Feline infectious peritonitis virus
CCoV	Canine coronavirus
ECoV	Equine coronavirus
SIV	Simian im-munodeficiency virus
BLV	Bovine leukemia virus
MARV	Marburg virus
BDBV	Bun-dibugyo virus
IAV	Influenza A virus
MV	Measles virus
HPIV3	Human parainfluenza virus type 3
CDV	Canine distemper virus
PPRV	Peste des petits ruminants virus
RSV	Respiratory syncytial virus
PRRSV	Porcine reproductive and respiratory syndrome virus
FMDV	Foot-and-mouth disease virus
SVV	Seneca Valley virus
CSFV	Classical swine fever virus
HCV	Hepatitis C virus
BDV	Border disease virus
DENV	Dengue Virus
WNV	West Nile virus
BVDV	Bovine viral diarrhoea virus
HNoV	Human no-rovirus
RHDV	Rabbit haemorrhagic disease virus
FCV	Feline calicivirus
LCMV	Lymphocytic choriomeningitis virus
CHIKV	Chikungunya virus
ASFV	African swine fever virus
PCV-2	Porcine circovirus type 2
CMV	Cytomegalovirus
MDV	Marek’s disease virus
HSV	Herpes simplex virus
FPV	Feline parvovirus
CPV	Canine parvovirus
CTL	Cytotoxic T lymphocyte
ADCC	Antibody-dependent cell-mediated cytotoxicity
AICD	Activation-induced cell death
TCR	T cell receptor
DC	Dendritic cell
pDCs	Plasmacytoid dendritic cells
TUNEL	TdT-mediated dUTP nick-end labeling
TRAIL	TNF-related apoptosis-inducing ligand
CD95L	CD95 ligand
IFNs	Interferons
HPC	Haematopoietic precursor cells
APCs	Antigen presenting cells
CTLA-4	Cytotoxic T-lymphocyte-associated protein 4
PD-1	Programmed death 1
TIGIT	T cell immunoreceptor with Ig and ITIM domains
LAG-3	Lym-phocyte activation gene-3
Tim-3	T cell immunoglobulin mucin 3
PI3K	phosphoinositide 3-kinase
ERK	Extracellular-signal regulated kinase
PLCγ	Phosphoinositide phospholipase C-γ
IGF1	Insulin-like growth factor 1
ICU	Intensive care unit.