RSV	respiratory syncytial virus
pre-F	prefusion protein
post-F	postfusion protein
ERD	enhanced respiratory disease
ALRIs	acute lower respiratory infections
FI-RSV	formaldehyde-inactivated RSV
DMEM	Dulbecco’s modified Eagle’s medium
PFU	plaque-forming units
HRP	horse radish peroxidase
TMB	tetramethylbenzidine
MOI	multiplicities of infection
H & E	hematoxylin and eosin
TLR-4	Toll-like receptor 4
TLR-9	Toll-like receptor 9
mAb	monoclonal antibody