Table 1.

Recently used several analytical approaches to detect SARS-CoV-2.

Test type	Institute	LOD	Ref
Virus blood culture and high throughput sequence of whole genome	Wuhan Institute of Virology (WIV)	N/A	[72]
RT-PCR	Berlin Institute of Virology (BIV)	3.9 copies and 3.6 copies	[73]
High-resolution CT scan	HUST	N/A	[74]
Dual CRISPR Cas12a test	University of Connecticut Health Center	1.2 DNA copies and 4.6 RNA copies	[10]
Fast IgM and IgG combined Ab testing kit	Guangzhou Medical University	N/A	[38]
Closed tube one-stage LAMP3	University of Pennsylvania	70 copies/reaction	[75]
Closed tube two-stage RAMP4 assay	University of Pennsylvania	7 copies/reaction	[75]
RNA-based paper LFA5 PoC-based LAMP assay	National Tsinghua University	N/A	[76]
ELISA6 and GICA for combined IgG-IgM	Wuhan University	N/A	[49]
FTO-based Ab sensor	National-Institute of Animal-Biotechnology	10 fM	[77]
SPCE-based Ab biosensor	National-Institute of Animal-Biotechnology	10 fM	[77]