Table 1.

Sequences of primers for RT-PCR.

Gene		Sequences
N protein	Forward	5′-CCAAGGATGGTGCCATGAAC-3′
	Reverse	5′-GGACTGTTGCCTGCCTCTAGA-3′
3CLpro	Forward	5′-CACCAACTACAATGGCCACACA-3′
	Reverse	5′-TAGCCCTGGTAGGTGACTCTGTT-3′