GP	Glycoprotein
GP2a	Glycoprotein 2a
GP3	Glycoprotein 3
GP4	Glycoprotein 4
GP5	Glycoprotein 5
M	Membrane protein
N	Nucleocapsid
GP5/M heterodimer	Glycoprotein 5/Membrane protein heterodimer
NSP	Nonstructural protein
NSP2	Nonstructural protein 2
NSP5	Nonstructural protein 5
NSP9	Nonstructural protein 9
PAMs	Pulmonary alveolar macrophages
CD163	Cysteine-rich scavenger receptor
PAM-CD163	PAM cell-derived CD163
Sn or CD169	Sialoadhesin
CD163+ Sn+ cells	exist CD163 and Sn cells
DCs	Dendritic cells
NK	Natural killer
HS	Heparin sulfate
CD151	Cluster of differentiation 151
MYH9	Non-muscle myosin heavy chain 9
HSPA8	Heat shock protein member 8
CME	Clathrin-mediated endocytosis
TIM	T-cell immunoglobulin mucin structural domain
PS	Phosphatidylserine
SRCR	Scavenger receptor cysteine-rich
DC-SIGN or CD209	Dendritic cell-specific intercellular adhesion mole-Cule-3-grabbing non-integrin
Marc145	Epithelial cells generated from monkey kidney
Nabs	Neutralizing antibodies
Tfh	Follicular helper T cells
ADE	Antibody-dependent enhancement
Fc Rs	Immune cell surface receptors, mainly Fc receptors
CRs	Complement receptors
ADCC	Antibody-dependent cell-mediated cytotoxicity
CDC	Antibody-dependent complement-mediated cytotoxicity
ADCP	Antibody-dependent cellular phagocytosis