TABLE 1.

Primers used in RT-PCR for detection of the influenza virus A and B matrix genes

Influenza virus type and primers	Sequence	5′ position (bp)	Product size (bp)	GenBank accession no.
Influenza virus A
AM149	5′-CTCATGGAATGGCTAAAGACA-3′	149	352	AF258522
AM501R	5′-TGCTGGGAGTCAGCAATCTG-3′	501		VO1099
Influenza virus B
BM26	5′-TGTCGCTGTTTGGAGACACA-3′	26	444	AF100392
BM470R	5′-TGTGATGCTTGTTTCTCGCA-3′	470		AF100392