TABLE 1.

HRSV-A GenBank sequences used in this study

Strain	Accession no.	Country of isolation	Yr of isolation	Reference
USA/Long/56	M17212	U.S.A.	1956	25
AUS/A2/61	M11486	Australia	1961	64
BIR/642/89	X73354	U.K.	1989	8
BIR/1734/89	X73350	U.K.	1989	8
BIR/6190/89	X73352	U.K.	1989	8
MAD/4/90	Z33416	Spain	1990	14
MAD/4/91	Z33420	Spain	1991	14
MAD/6/92	Z33418	Spain	1992	14
MAD/8/92	Z33419	Spain	1992	14
MAD/1/93	Z33414	Spain	1993	14
MAD/2/93	Z33493	Spain	1993	14
MAD/6/93	Z33410	Spain	1993	14
MON/2/88	Z33424	Uruguay	1988	14
MON/1/89	Z33422	Uruguay	1989	14
MON/1/90	Z33494	Uruguay	1990	14
MON/5/90	Z33427	Uruguay	1990	14
MON/5/91	Z33428	Uruguay	1991	14
MON/7/91	Z33429	Uruguay	1991	14
MON/9/91	Z33431	Uruguay	1991	14
MON/1/92	Z33423	Uruguay	1992	14
MON/9/92	Z33432	Uruguay	1992	14
NY/CH09/93	AF065254	U.S.A.	1993	42
NY/CH17/93	AF065255	U.S.A.	1993	42
NY/CH57/94	AF065258	U.S.A.	1994	42
NY/CH34/94	AF065257	U.S.A.	1994	42
UK/RSS-2/76	U39662	U.K.	1976	60
SE/03/91	AF193304	Korea	1991	10
SE/05/91	AF193306	Korea	1991	10
SE/10/91	AF193307	Korea	1992	10
SE/01/92	AF193308	Korea	1992	10
SE/09/92	AF193309	Korea	1992	10
SE/10/92	AF193310	Korea	1992	10
SE/11/92	AF193311	Korea	1992	10
SE/12/92	AF193312	Korea	1992	10
SE/12/94	AF193316	Korea	1994	10
SE/01/95	AF193317	Korea	1995	10
SE/11/95	AF193318	Korea	1995	10
SE/12/95	AF193319	Korea	1995	10
SE/05/96	AF193321	Korea	1996	10
SE/08/96	AF193322	Korea	1996	10
SE/12/97	AF193323	Korea	1997	10
SE/02/98	AF193325	Korea	1998	10
WV/2780/79	AF065405	U.S.A.	1979	53
WV/5222/81	AF065406	U.S.A.	1981	53
WV/6973/82	AF065407	U.S.A.	1982	53
WV/12342/84	AF065409	U.S.A.	1984	53
WV/19983/87	AF065408	U.S.A.	1987	53
WV/23836/88	AF065410	U.S.A.	1988	53