Table 1.

Primer and probe sequences used for ddPCR.

Target	Primer/probe	Sequence	Reference
SARS-CoV-2	2019-nCoV_N1-F	5′-GACCCCAAAATCAGCGAAAT-3′	Lu et al. (2020)
	2019-nCoV_N1-R	5′-TCTGGTTACTGCCAGTTGAATCTG-3′
	2019-nCoV_N1-P	5′-FAM-ACCCCGCATTACGTTTGGTGGACC-BHQ1–3′
	2019-nCoV_N2-F	5′-TTACAAACATTGGCCGCAAA-3′
	2019-nCoV_N2-R	5′-GCGCGACATTCCGAAGAA-3′
	2019-nCoV_N2-P	5′-HEX-ACAATTTGCCCCCAGCGCTTCAG-BHQ1-3′
Phi6	Phi6-F	5′-TGGCGGCGGTCAAGAGC-3′	Gendron et al. (2010)
	Phi6-R	5′-GGATGATTCTCCAGAAGCTGCTG-3′
	Phi6-P	5′-6FAM-TCCGCCTGGCACGGTACTCCCT-BHQ1-3′