ADA	Anti-drug antibodies
ADARC	Aaron Diamond AIDS Research Center
ADE	Antibody-dependent enhancement
aIgA	GPI-anchored version of the same IgA
BHK	Baby Hamster Kidney
BLT	Bone Marrow-Liver-Thymus
bnAbs	Broadly neutralizing antibodies
CH	Constant domain of Heavy chains (CH1, CH2, CH3)
CHO	Chinese Hamster Ovary
circRNA	Circular RNA
CL	Constant domain of Light chains
DAF	Decay-accelerating factor
dIgA	IgA antibody dimers
DMG-PEG2k	1,2-dimyristoyl-rac-glycero-3-methoxy(polyethylene glycol)-2000
DOPE	1,2-Dioleoyl-sn-glycero-3-phosphatidylethanolamine
DOTAP	1,2-Dioleoyl-sn-glycero-3-trimethylammonium-propane
DSPC	1,2-Distearoyl-sn-glycero-3-phosphocholine
DSPE-PEG2k	1,2-Distearoyl-sn-glycero-3-phosphoethanolamine-N-carboxy(polyethylene glycol)-2000
EBOV	Ebola virus
EEV	Extracellular enveloped virion
EMCV	Encephalomyocarditis virus
EU	European Union
EUA	Emergency Use Authorization
Fab	Fragment antigen-binding
Fc	Fragment crystallizable
FcγRIV	Fcγ receptor IV
FDA	Food and Drug Administration
FP	Fusion peptide
G4S	poly-Glycine-Serine linker
GMII	Golgi α-mannosidase II
Gn	Glycoprotein N
GP	Glycoprotein
GPI	Glycosylphosphatidylinositol
hACE2	Human angiotensin-converting enzyme 2
HBsAg	Hepatitis B surface antigen
HBV	Hepatitis B virus
HC	Heavy Chain
HEK	Human Embryonic Kidney
HPV18	Human papillomavirus type 18
hFcRn	Human neonatal receptor for the Fc fragment of IgG
HIV	Human immunodeficiency virus
i.m.	intramuscular
i.n.	intranasal
i.p.	intraperitoneal
i.t.	intratracheal
i.v.	intravenous
ID	Identification Number
IFNAR	Interferon-α/β Receptor
IgA	Immunoglobulin A
IgG	Immunoglobulin G
IgM	Immunoglobulin M
IMV	Intracellular mature virion
IRES	Internal Ribosome Entry Site
JC	Joining chain
LA	M435L/N441A mutation
LC	Light Chain
LNPs	Lipid nanoparticles
LS	M428L/N434S mutation
M2e	Ectodomain of the influenza A virus M2 protein
MERS-CoV	Middle East respiratory syndrome coronavirus
MPXV	Mpox virus, or monkeypox virus
NA	Not Available
NIAID	National Institute of Allergy and Infectious Diseases
NSG mouse	NOD scid gamma mouse
nsP	Nonstructural protein
P2A peptide	Porcine Teschovirus-1 2A peptide
PBATE	Poly(butylene terephthalate-co-butylene adipate-co-ethylene terephthalate-co-ethylene adipate)
PEG	Polyethylene glycol
PRRs	Pattern recognition receptors
RBD	Receptor-binding domain
RIG-I	Retinoic acid-inducible gene 1
RSV	Respiratory Syncytial Virus
RTC	Replication-transcription complex
S protein	Surface protein
saRNA	Self-amplifying RNA
SARS-CoV-2	Severe acute respiratory syndrome coronavirus 2
SC	Single chain
SC-mRNA	Single-chain mRNA
scBCR-seq	Single B cell receptor sequencing
scFv	Single-chain Variable Fragment
scFv–Fc	Single-Chain Variable Fragment fused to the Fc region
scIgA	Single-chain IgA
SFTSV	Severe fever with thrombocytopenia syndrome virus
SHIV	Simian-Human Immunodeficiency Virus
sIgA	Secreted version of the same IgA
SUDV	Sudan virus
TLR	Toll-like receptors
TM	L234F/L235E/P331S triple mutation
UK	United Kingdom
US	United States
USAMRIID	United States Army Medical Research Institute of Infectious Diseases
UTRs	Untranslated regions
VACV	Vaccinia virus
VARV	Variola virus
VEEV	Venezuelan equine encephalitis virus
VH	Variable Heavy chain domain
VHH	Variable Heavy domain of Heavy chain (single-domain antibody)
VL	Variable Light chain domain
VRPs	Virus replicon particles
YTE	M252Y/S254T/T256E mutation