TABLE 1.

Sequence data and abbreviations of H3N2 isolates used in this study

Strain	Abbreviation	Sequence referencesa for:
		Segment 1 PB2 gene	Segment 2 PB1 gene	Segment 3 PA gene	Segment 4 HA gene	Segment 5 NP gene	Segment 6 NA gene	Segment 7 M gene	Segment 8 NS gene
A/Aichi/2/68	Aic68		M63515		—b			M63515	M34829
A/NT/60/68	NT68	J02140	J02138	J02139			J02136
A/Beijing/1/68	Bei68					L07340
A/Hong Kong/8/68	HK68						U42630
A/Memphis/1/71	Mem71					L07341
A/Hong Kong/107/71	HK71						U42631
A/Udorn/307/72	Udn72	M91712				D00051		J02167	J02169
A/Dunedin/4/73	Dun73		M74899
A/PortChalmers/73	PC73							X08092
A/Beijing/39/75	Bei75					L07358
A/Victoria/3/75	Vic75						J02173
A/Alaska/6/77	Ala77								K01332
A/Texas/1/77	Tex77					D00602
A/Guangdong/38/77	Gua77					L07359
A/Bangkok/1/79	Ban79						K01150	K01140
A/Memphis/5/80	Mem80					L07360
A/Shanghai/31/80	Sha80					L07361
A/HongKong/5/83	HK83					M22577
A/Yamagata/96/85	Yam85				NAc
A/Houston/24269/85	Hou85								M17699
A/Mississippi/1/85	Mis85						U42632
A/Memphis/14/85	Mem85					L07364
A/Memphis/6/86	Mem86					L07365
A/Los Angeles/2/87	Los87	U62543
A/Guangdong/9/87	Gua87					L07366
A/Sichuan/2/87	Sic87				D21173				D30671*a
A/Shanghai/11/87	Sha87						U42633
A/Memphis/8/88	Mem88	M36040	M259361			L07370		M63516
A/England/427/88	Eng88						U42634
A/Guangdong/38/89	Gua89					L07373
A/Guangdong/39/89	Gua89							L18995
A/Guizhou/54/89	Gui89				D49963
A/Hokkaido/20/89	Hok89				D49960				D30672*
A/Beijing/352/89	Bei89				D49961	L07353	U42635		D30670*
A/Shanghai/6/90	Sha690					L07357
A/Shanghai/24/90	Sha2490						U42636
A/Memphis/1/90	Mem90					L07355
A/Bangkok/144/90	Ban90				D49966
A/Shiga/2/91	Shi91				D49967
A/Brazil/2/91	Bra91				D30662
A/Washington/15/91	Was91				D30663		U42637		D30673*
A/Beijing/32/92	Bei92				Z46392		U42770		D30667*
A/Yokohama/83/92	Yok92				D30665
A/Tianjin/33/92	Tia92				D30664				D30674*
A/Sapporo/304/92	Sap92						U42776
A/Netherlands/938/92	Net92						U42775
A/Harbin/15/92	Har92						U42773
A/Nanchang/3332/93	Nan93						U42779
A/Washington/26/93	Was93						U43420
A/Louisiana/4/93	Lou93						U43417
A/Hebei/12/93	Heb93				D30668			U65561*
A/Shangdong/9/93	Shd93				Z46417		U43419
A/Kitakyushu/159/93	Kit93	AF037412*	AF037418*	AF037424*	D30669	AF038254*	AF038260*	U65562*	D30676*
A/Guangdong/24/93	Gua2493						U42777
A/Guangdong/25/93	Gua2593						U42778
A/Bangkok/122/94	Ban94						U43426
A/Hebei/41/94	Heb94				U48441
A/Guangdong/28/94	Gua94				U48442
A/Sendai/c384/94	Sen94				U48440
A/Singapore/7/94	Sin94						U43422
A/NewYork/16/94	NY94						U43424
A/Vermont/3/94	Ver94						U43423
A/Akita/1/94	Aki94	U71132*	U71128*	U71136*	U48443	U71144*	U71140*	U65564*	U65670*
A/Johannesburg/33/94	Joh94						U43425
A/Tochigi/44/95	Toc95	AF037413*	AF037419*	AF037425*	U65554*	AF038255*	AF038261*	U65569*	AF038275*
A/Aichi/69/94	Aic95				U48446
A/Shiga/20/95	Shi95	U71134*	U71130*	U71138*	U65557*	U71146*	U71142*	U65573*	U65673*
A/Akita/1/95	Aki95	U71133*	U71129*	U71137*	U48444	U71145*	U71141*	U65574*	U65671*
A/Alaska/10/95	Ala95						U51245
A/Wuhan/359/95	Wuh95				AF038268*		U51246
A/Miyagi/29/95	Miy95	U71135*	U71131*	U71139*	U65560*	U71147*	U71143*	U65577*	U65674*
A/Fukushima/114/96	Fuk96	AF037414*	AF037421*	AF037427*	AF038266*	AF038257*	AF038265*	AF038272*	AF038277*
A/Niigata/137/96	Nii96	AF037415*	AF037420*	AF037426*	AF038267*	AF038256*	AF038262*	AF038271*	AF038276*
A/Fukushima/140/96	Fuk97	AF037416*	AF037422*	AF037428*	AF038269*	AF038258*	AF038263*	AF038273*	AF038278*
A/Shiga/25/97	Shi97	AF037417*	AF037423*	AF037429*	AF038270*	AF038259*	AF038264*	AF038274*	AF038279*

^a∗, Sequenced in this report. 

^b—, Sequence not available. 

^cNA, accession number not available (Nakajima et al. [35]).