ACE2	angiotensin-converting enzyme 2
ADCC	antibody-dependent cellular cytotoxicity
FCCA	flow cytometry-based cellular assay
gMFI	geometric mean fluorescence intensity
GPI	glycosylphosphatidylinositol
HAT	hemagglutination-based test
IRES	internal ribosome entry site
OD	optical density
PANGO	phylogenetic assignment of named global outbreak lineages
PPT	pre-pro-trypsin
Puro	puromycin resistance gene
RBD	receptor-binding domain
ROC	receiver-operating characteristic
S	spike (SARS-CoV-2 protein)
SCCs	single-cell clones
SD	standard deviation
SI	stimulation index
VOC	variant of concern
VOI	variant of interest
WHO	World Health Organization