Table 1. Primers and probes that have been recommended by the U.S.CDC to detect SARS-CoV-2 by rRT-PCR.

Gene target	Description	Oligonucleotide Sequence (5′>3′)	Label
2019-nCoV_N1	2019-nCoV_N1 Forward Primer	5′-GAC CCC AAA ATC AGC GAA AT-3′	None
	2019-nCoV_N1 Reverse Primer	5′-TCT GGT TAC TGC CAG TTG AAT CTG-3′	None
	2019-nCoV_N1 Probe	5′-FAM-ACC CCG CAT TAC GTT TGG TGG ACC-BHQ1-3′	FAM, BHQ-1
2019-nCoV_N2	2019-nCoV_N2 Forward Primer	5′-TTA CAA ACA TTG GCC GCA AA-3′	None
	2019-nCoV_N2 Reverse Primer	5′-GCG CGA CAT TCC GAA GAA-3′	None
	2019-nCoV_N2 Probe	5′-FAM-ACA ATT TGC CCC CAG CGC TTC AG-BHQ1-3′	FAM, BHQ-1
RNAse P	RNAse P Forward Primer	5′-AGA TTT GGA CCT GCG AGC G-3′	None
	RNAse P Reverse Primer	5′-GAG CGG CTG TCT CCA CAA GT-3′	None
	RNAse P Probe	5′-FAM—TTC TGA CCT GAA GGC TCT GCG CG—BHQ-1-3′	FAM, BHQ-1