Table I.

Primer sequences.

Gene	Primer	Sequence (5′-3′)
PA	Forward	ACACTACAGGGGCTGAGAAA
	Reverse	TGAACGAGAAAATGTGGATG
PB1	Forward	AGTTTTGGTGTGTCTGGGA
	Reverse	TTCGGGTTTGTATTTGTGTG
PB2	Forward	ACCCAGATGAAGGCACAG
	Reverse	TAGAGTCCCGTTTTCGTTTC
POLR2A	Forward	GATGAACTGAAGCGAATGTCT
	Reverse	GTCGTCTCTGGGTATTTGATG
HA	Forward	TGAACAGGGAAAAGGTAGATG
	Reverse C	AGGGAGACCAAAAGCAC
MAN2A2	Forward	GCCCTCATTTTCTGTTTATTG
	Reverse C	TGCCCTATTTACCCATCAC
GAPDH	Forward	GCTGAGTATGTTGTGGAGTC
	Reverse	GCAGAAGGAGCAGAGATGA

POLR2A, RNA polymerase II subunit A; HA, hemagglutinin; MAN2A1, mannosidase α class II member 1.