Table 1.

Primers used for quantitative PCR.

Target species	Primer	Primer sequence (5′–3′)
HCoV-NL63	Sense primer [63NF2]	AAA CCT CGT TGG AAG CGT GT
	Antisense primer [63NR1]	CTG TGG AAA ACC TTT GGC ATC
	Probe [63NP]	FAM-ATG TTA TTC AGT GCT TTG GTC CTC GTG AT-TAMRA
MHV	Sense primer [MHV_NF]	TGG CCG AAG AAA TTG CTG CTC TTG
	Antisense primer [MHV_NR]	GCC TGA CTT CTT TGG CAC TTT GCT
	Probe [MHV_Np]	FAM-TTT GGC TAA GCT CGG TAA AGA TGC CG-TAMRA