Table 1. Primers for NA amplification and sequencing.

Primer	Sequence (5’-3’)	Location (5’-3’)	Application
H6N2-NA-FW1	TGAACCCAAATCAGAAGATAATAACA	2–27	Amplification, sequencing
H6N2-NA-Rev1	GCGAAAGCTTATATAGGCATGAA	1395–1419	Amplification, sequencing
H6N2-NA-FW2	GTGTGCATAGCATGGTCCAG	520–540	Sequencing
H6N2-NA-Rev2a	AACCTGAGCGTGAATCCTTG	1100–1120	Sequencing