COVID-19	Coronavirus disease
SARS-CoV-2	Coronavirus severe acute respiratory syndrome 2
LSPCF	Localized surface plasmon coupled fluorescence
SERS	Surface-enhanced Raman scattering
SPR	Surface plasmon resonance
LSPR	Localized surface plasmon resonance
P-FAB	Plasmonic fiber-optic absorbance biosensor
EWA	Evanescent wave absorbance
pg	Picogram
ng	Nanogram
LIF-LiDAR	Laser-induced fluorescence-light detection and ranging
PCR	Polymerase chain reaction
WHO	World Health Organization
SARS	Severe acute respiratory syndrome
MERS	Middle East respiratory syndrome
CDC	Centers for Disease Control and Prevention
RU	Response unit