COVID-19	coronavirus disease 2019
SARS-CoV-2	severe acute respiratory syndrome coronavirus 2
RAS	renin-angiotensin system
ERAP	endoplasmic reticulum aminopeptidase
ER	endoplasmic reticulum
ACE	angiotensin-converting enzyme
Ang	angiotensin
MERS-CoV	Middle East respiratory syndrome coronavirus
AT1R	Ang type I receptor
AT2R	Ang type II receptor
AT4R	Ang type IV receptor
MasR	Mas receptor
MHC	major histocompatibility complex
WHO	World Health Organization
UTR	untranslated region
NO	nitric oxide
PBMC	peripheral blood mononuclear cells
LPS	lipopolysaccharide
TNFα	tumor necrosis factor
IL	interleukin
IFN	interferon type I
ROS	reactive oxygen species
SNPs	single nucleotide polymorphisms
ALDO	aldosterone
rhACE2	recombinant human ACE2
DPP4	dipeptidyl peptidase 4
LoF	loss-of-function